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A306525
Row sums of A306234.
2
0, 1, 3, 12, 53, 282, 1753, 12566, 102233, 931746, 9408941, 104310042, 1259745925, 16464164978, 231539899697, 3486551697582, 55972130401073, 954322312212546, 17222351842894933, 327979242711784226, 6573122342554664381, 138292026914011788882
OFFSET
0,3
LINKS
MAPLE
a:= proc(n) option remember; `if`(n<5, [0, 1, 3, 12, 53][n+1],
(2*(2*n^2-9*n+6)*a(n-1) -(2*n^3-13*n^2+21*n-8)*a(n-2)
-(4*n^2-21*n+30)*a(n-3) +(2*n^3-19*n^2+63*n-71)*a(n-4)
-(2*n-5)*(n-4)*a(n-5)) / (2*n-7))
end:
seq(a(n), n=0..23);
CROSSREFS
Row sums of A306234.
Sequence in context: A307412 A302188 A060460 * A293131 A120983 A124810
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 21 2019
STATUS
approved