82980

Appears in sequences

• Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-2 places.at n=5A000388
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 16.at n=37A031694
• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,49.at n=4A064261
• a(n) = 256*n^2 + 2*n.at n=17A158230
• a(n) = 1296*n^2 + 36.at n=8A158739
• Expansion of Product_{k>=1} 1/(1 - (2^k + 1) * x^k).at n=9A322199
• Triangle read by rows: Coefficients of the polynomials L(n, x) * EZ(n, x), where L denote the unsigned Lah polynomials and EZ the Eulerian zig-zag polynomials A205497.at n=31A373426