pic: Team 931 Summation

[RebelWithARobot]

[cdm-description=photo]23296[/cdm-description]

[Stephen Kowski]

pretty cool man.....i would just get 931 written on there, but im not that creative....

[Chriszuma]

Wow, I wish i could give you more than one reputation point. That is seriously hardcore.

[phrontist]

How did you figure it out?

[Cody Carey]

For Inspiration and Recognition of Tattoos?

[mdoshi]

How did you figure it out?

One of our mentors, Richard, an extremely smart and nerdy guy, figured it out.

[Richard Wallace]

One of our mentors, Richard, an extremely smart and nerdy guy, figured it out.Nerdy? I'll take that as a compliment! Especially from my own team!

Now, what do the following number have in common:

1, 3, 7, 13, 21, 31, 43, 57, 73, 91, 111, 133, 157, 183, 211, 241, 273, 307, 343, 381, 421, 463, 507, 553, 601, 651, 703, 757, 813, 871, 931, 993, 1057, 1123, 1191, 1261, 1333, 1407, 1483, 1561, 1641, 1723, 1807, 1893, 1981

Hmmm?

[Gene F]

Nerdy? I'll take that as a compliment! Especially from my own team!

Now, what do the following number have in common:

1, 3, 7, 13, 21, 31, 43, 57, 73, 91, 111, 133, 157, 183, 211, 241, 273, 307, 343, 381, 421, 463, 507, 553, 601, 651, 703, 757, 813, 871, 931, 993, 1057, 1123, 1191, 1261, 1333, 1407, 1483, 1561, 1641, 1723, 1807, 1893, 1981

Hmmm?


Each successive number is the previous number plus two times the index in the sequence. ( 1 has index 0, 3 is index one and so on.)

[Dave Scheck]

It's also

n^2 - n + 1 (http://www.research.att.com/~njas/sequences/?q=7%2C+13%2C+21%2C+31%2C+43%2C+57%2C+73%2C+91%2C+ 111%2C+133%2C+157%2C+183%2C+211%2C+241%2C+273%2C+3 07%2C+343%2C+381%2C+421%2C+463%2C+507%2C+553%2C+60 1%2C+651%2C+703%2C+757%2C+813%2C+871%2C+931%2C+993 %2C+1057&sort=0&fmt=0&language=english&go=Search)