18167

Appears in sequences

• Numerator of the coefficient [x^(2n+1)] of the Taylor series arcsinh(cosec(x) - coth(x)).at n=3A013543
• Decimal part of n^(1/11) starts with a 'nine digits' anagram.at n=5A034286
• Numbers k such that sum of proper divisors or aliquot parts of k^2 (excluding 1) is a square, or A048050(k^2) is a square.at n=2A063900
• Numbers k such that 11k = 6j^2 + 6j + 1.at n=33A106388
• a(n) = prime(2*n^2) - 2*n^2.at n=33A141086
• Numerators of coefficients in series expansion of 1/(Bernoulli trial entropy).at n=67A145176
• Expansion of g.f. (1/2)*( a*(1+x)^n + b*(1-x)^(n+2)*LerchPhi(x, -n-1, 1) + c*2^(n+1)*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), where a = 3, b = -3, and c = 1, read by rows.at n=46A168552
• Expansion of g.f. (1/2)*( a*(1+x)^n + b*(1-x)^(n+2)*LerchPhi(x, -n-1, 1) + c*2^(n+1)*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), where a = 3, b = -3, and c = 1, read by rows.at n=53A168552
• Numbers n such that sum of the proper divisors of n is the square of the sum of the digits of n.at n=10A279459
• Number of minimal dominating sets in the n X n black bishop graph.at n=7A286886
• Number of minimal dominating sets in the n X n white bishop graph.at n=6A287897
• Numbers k such that A155085(k) is in A037074.at n=11A352616