37480
domain: N
Appears in sequences
- Triangular array generated by its row sums: T(n,0)=1 for n >= 0, T(1,1)=2, T(n,k)=T(n,k-1)+d*r(n-k) for k=2,3,...,n, d=(-1)^(k+1), n >= 2, r(h)=sum of the numbers in row h of T.at n=46A054098
- Sum{T(n,k): k=0,1,...,n}, array T as in A054098.at n=8A054099
- Susceptibility series H_3 for 2-dimensional Ising model (divided by 2).at n=20A054410
- Numbers in A086473 corresponding to the unique product of two numbers having the unique sum of A086533.at n=33A086860
- Number of different ways to select 4 disjoint subsets from {1..n} with equal element sum.at n=15A164949
- 50-gonal numbers: a(n) = 48*n*(n-1)/2 + n.at n=40A261343
- Expansion of Product_{k>=1} 1/(1-x^(k+3))^k.at n=33A263359
- Convolution square of A285349.at n=29A285350
- Expansion of (1/(1 - x))*Product_{k>=1} (1 + k*x^k).at n=20A302831