-1178
domain: Z
Appears in sequences
- Expansion of tanh(tan(x)*exp(x)).at n=6A009814
- McKay-Thompson series of class 40b for Monster.at n=61A058666
- Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=42A060024
- Diagonal sums of number triangle A109962.at n=5A109963
- McKay-Thompson series of class 18i for the Monster group.at n=40A112157
- Riordan array (1/(1+2*x), x*(1+x)/(1+2*x)^2).at n=41A123876
- a(n) = Sum_{k=1..n} (-k)^(floor(n/k) - 1).at n=30A345037
- Dirichlet convolution of A011782 [2^(n-1)] with A349450 [Dirichlet inverse of right-shifted Catalan numbers].at n=8A349564
- Dirichlet inverse of A341528, where A341528(n) = n * sigma(A003961(n)), and A003961 is fully multiplicative with a(prime(i)) = prime(i+1).at n=30A378228