66571993088
domain: N
Appears in sequences
- Theta series of D*_31 lattice.at n=39A022084
- Expansion of (1 - 4*x + 6*x^2)/(1 - 2*x)^2.at n=32A097064
- a(n) = prime(n)*2^prime(n).at n=10A100042
- a(n) is the smallest positive integer m with exactly n zeros in its binary representation and with n represented in binary as a substring of the binary representation of m.at n=30A147761
- a(n) = 2^(n^2) - 2^(n^2 - n + 1) for n >= 1; a(0) = 0.at n=6A153836
- a(n) = (2n + 1)*2^(2n + 1); numbers k such that v(k)*2^v(k) = k, where v(n) = A007814(n) is 2-adic valuation of n.at n=15A288443
- Numbers with prime factorization of the form p_1^p_2*p_2^p_3*...p_(n-1)^p_n*p_n where p_(n-1) < p(n) and n > 1.at n=28A294110