116505
domain: N
Appears in sequences
- a(n) = 4*a(n-1) + n with n > 1, a(1)=1.at n=8A014825
- Alternating sum transform (PSumSIGN) of A000975.at n=17A034299
- Expansion of 1/((1-2*x)*(1-x^2)^2).at n=16A091919
- Number of binary strings of length n with equal numbers of 00001 and 01001 substrings.at n=18A164198
- Number a(n) of alternative sets of orthogonal contrasts available to partition variation between n levels of a categorical factor in analysis of variance, with each set described by a unique general linear model.at n=15A165438
- Triangle T(n, k) read by rows: T(n, k)= (m*n-m*k+1)*T(n-1, k-1) + k*(m*k-(m-1))*T(n-1, k) where m = 1.at n=46A166960
- E.g.f.: Sum_{n>=0} (2 + exp(n*x))^n * x^n/n!.at n=6A326091