A357931 - cp's OEIS frontend

A357931 a(n) = Sum_{k=0..floor(n/3)} |Stirling1(n - 2k,n - 3k)|.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	7
7	13
8	27
9	57
10	120
11	262
12	593
13	1361
14	3171
15	7559
16	18356
17	45186
18	112927
19	286689
20	737641
21	1921639
22	5070154
23	13540352
24	36566737
25	99830013
26	275459693
27	767798853
28	2160953618
29	6139721116
30	17604534427
31	50924095081
32	148570523479
33	437071675997

[1, 1, 1, 1, 2, 4, 7, 13, 27, 57, 120, 262, 593, 1361, 3171, 7559, 18356, 45186, 112927, 286689, 737641, 1921639, 5070154, 13540352, 36566737, 99830013, 275459693, 767798853, 2160953618, 6139721116, 17604534427, 50924095081, 148570523479, 437071675997]

cp's OEIS Frontend

A357931 a(n) = Sum_{k=0..floor(n/3)} |Stirling1(n - 2k,n - 3k)|.

Table of values

List of values

cp's OEIS Frontend

A357931 a(n) = Sum_{k=0..floor(n/3)} |Stirling1(n - 2*k,n - 3*k)|.

Table of values

List of values

A357931 a(n) = Sum_{k=0..floor(n/3)} |Stirling1(n - 2k,n - 3k)|.