41060

Appears in sequences

• a(n) = sum of squares of first n positive integers congruent to 1 mod 4.at n=19A024381
• Numbers k such that (3^k - 7)/2 is prime.at n=17A063679
• Numbers n such that d(n-2) = d(n) = d(n+2) = 12 where d(n)=A000005(n).at n=27A190645
• a(n) is the optimal wire-length for an n X n grid.at n=35A195647