A385940 - cp's OEIS frontend

A385940 a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^3) * binomial(n-1,k) * a(k) * a(n-1-k).

n	a(n)
0	1
1	1
2	5
3	148
4	17189
5	5676336
6	4326290857
7	6602349049360
8	18222895109730537
9	84299882148193513600
10	616234715187848381357261
11	6792153358905298302629935104
12	108647409624774384033524243233165
13	2443481854821246436998727854436139008
14	75225062360951292682727255438183855480625

[1, 1, 5, 148, 17189, 5676336, 4326290857, 6602349049360, 18222895109730537, 84299882148193513600, 616234715187848381357261, 6792153358905298302629935104, 108647409624774384033524243233165, 2443481854821246436998727854436139008, 75225062360951292682727255438183855480625]

cp's OEIS Frontend

A385940 a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^3) * binomial(n-1,k) * a(k) * a(n-1-k).

Table of values

List of values