47616

Appears in sequences

• Expansion of 1/((1+x)*(1-x)^9).at n=11A001780
• Theta series of P_{9a} packing.at n=33A005951
• Theta series of laminated lattice LAMBDA_12^{min}.at n=5A006912
• Theta series of {D_9}* lattice.at n=33A008424
• Expansion of (theta_3(z^4)^3 + theta_2(z^4)^3)^3.at n=33A028696
• Number of achiral polyominoes with n cells.at n=19A030227
• Number of degree-n irreducible polynomials over GF(2) with trace = 0 and subtrace = 1.at n=21A042979
• Number of degree-n irreducible polynomials over GF(2) with trace = 0 and subtrace = 0.at n=21A042980
• Number of degree-n irreducible polynomials over GF(2) with trace = 1 and subtrace = 1.at n=21A042982
• Number of orbits of length n in a map whose periodic points come from A059991.at n=21A060481
• Numbers k that divide tau(k)*sigma(k).at n=40A071707
• The 28-cycle of the n => sigma(n)-n process, where sigma(n) is the sum of divisors of n (A000203).at n=3A072890
• Number of binary Lyndon words of length n with trace 0 and subtrace 0 over Z_2.at n=21A074027
• Number of binary Lyndon words of length n with trace 0 and subtrace 1 over Z_2.at n=21A074028
• Number of binary Lyndon words of length n with trace 1 and subtrace 0 over Z_2.at n=21A074029
• Partial sums of n 3-spaced triangular numbers beginning with t(3), e.g., a(2) = t(3)+t(6) = 6+21 = 27.at n=30A085788
• Conjectured list of sociable numbers.at n=13A122726
• Let d_1=1 < d_2 < d_3 < ... be the divisors of n; sequence lists positive numbers n such that for some k, n = 2(d_1 + ... + d_k).at n=11A185961
• Numbers n for which n=(n'' mod n'), where n' and n'' are the first and second arithmetic derivative of n.at n=21A213241
• Numbers k for which sigma(k)/k - 3/4 is an integer.at n=1A218405