38621

Appears in sequences

• Numbers whose base-14 representation has exactly 5 runs.at n=8A043666
• Numbers k such that 2^k mod k = 2^k mod k^2.at n=43A068535
• Numbers k that are not powers of 2 such that 2^k mod k = 2^k mod k^2; or A068535 with powers of 2 excluded.at n=27A125773
• Positive integers of the form (30*m^2+1)/11.at n=21A179339
• Numbers m such that m^2 divides 2^k - 1 for some k, 0 < k <= m.at n=17A246503
• Number of (n+1)X(2+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.at n=8A253320
• G.f.: Product_{k>=1} (1+x^(k^2)) / (1-x^k).at n=34A280204
• a(n) = (3!)^3 * [z^3] hypergeom([], [1,1], z)^n.at n=11A287702
• Number of fixed site animals with n nodes on the nodes of the prismatic pentagonal tiling.at n=9A378344
• Number of ways to partition digits 0-9 into signed terms in decreasing absolute value order with sum n.at n=36A389952