A295227 - cp's OEIS frontend

A295227 a(n) = sum_{k=0,...,[n/2]} s(n-k,k)^2, s = A048994, Stirling numbers of the first kind.

n	a(n)
0	1
1	0
2	1
3	1
4	5
5	45
6	698
7	16936
8	594702
9	28564021
10	1799119626
11	143863537330
12	14236046853139
13	1707698666758297
14	244136528082097062
15	41008147506862052681
16	7995945735393199219626
17	1791074412870104676689001
18	456745672286592586379503743

[1, 0, 1, 1, 5, 45, 698, 16936, 594702, 28564021, 1799119626, 143863537330, 14236046853139, 1707698666758297, 244136528082097062, 41008147506862052681, 7995945735393199219626, 1791074412870104676689001, 456745672286592586379503743]

cp's OEIS Frontend

A295227 a(n) = sum_{k=0,...,[n/2]} s(n-k,k)^2, s = A048994, Stirling numbers of the first kind.

Table of values

List of values