28396
domain: N
Appears in sequences
- Diagonal in array of n-gonal numbers A081422.at n=30A081435
- 63-gonal numbers: a(n) = n*(61*n - 59)/2.at n=31A098140
- E.g.f.: exp( T(T(T(x))) ), where T(x) = -LambertW(-x) is Euler's tree function (A000169).at n=5A268653
- Triangle T(n,p) read by rows: the number of occurrences of p in the restricted growth functions of length n.at n=39A270236
- Sum of the sizes of the fourth blocks in all set partitions of {1,2,...,n}.at n=5A270496
- Table of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x), as read by antidiagonals.at n=41A274391
- Table of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x), as read by antidiagonals.at n=39A274741
- Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=51A287040
- Sum of the corners of a 2n+1 X 2n+1 square spiral.at n=41A325958