86408domain: NAppears in sequencesa(n) = 441*n^2 - 2*n.at n=13A157737Prime sieve of the square root of 2.at n=32A248831Expansion of (elliptic_K / elliptic_E)^(1/4) in powers of q.at n=13A261980Number of columns of length 1 in all bargraphs of semiperimeter n (n>=2).at n=11A273900