47312
domain: N
Appears in sequences
- Generalized Euler numbers of type 2^n.at n=6A005799
- Poupard's triangle: triangle of numbers arising in enumeration of binary trees.at n=30A008301
- Triangle T(n,k), 0<=k<=n, read by rows, given by [1,2,3,4,5,6,7,8,9,10,...] DELTA [1,1,6,6,15,15,28,28,...] where DELTA is the operator defined in A084938 .at n=27A130847
- Left half of Poupard's triangle, A008301.at n=20A210108