0,2
Alois P. Heinz, Table of n, a(n) for n = 0..500
b:= proc(n, i, k) option remember; `if`(i*(i+1)/2<n, 0,
`if`(n=0, 1, `if`(i<2, 0, b(n, i-1, `if`(i=k, 0, k)))+
`if`(i=k, 0, b(n-i, min(n-i, i-1), k)*binomial(n, i))))
end:
a:= n-> b(n$2, 0)*(n+1) -add(b(n$2, k), k=1..n):
seq(a(n), n=0..28);
Row sums of A327869.
Cf. A320566.
Sequence in context: A279197 A121871 A194638 * A235606 A175202 A187430
Adjacent sequences: A327867 A327868 A327869 * A327871 A327872 A327873
nonn
Alois P. Heinz, Sep 28 2019
approved
