A163841 - cp's OEIS frontend

A163841 Triangle interpolating the swinging factorial (A056040) restricted to even indices with its binomial transform. Same as interpolating bilateral Schroeder paths (A026375) with the central binomial coefficients (A000984).

n	a(n)
0	1
1	3
2	2
3	11
4	8
5	6
6	45
7	34
8	26
9	20
10	195
11	150
12	116
13	90
14	70
15	873
16	678
17	528
18	412
19	322
20	252
21	3989
22	3116
23	2438
24	1910
25	1498
26	1176
27	924
28	18483
29	14494
30	11378
31	8940
32	7030
33	5532
34	4356
35	3432
36	86515
37	68032
38	53538

[1, 3, 2, 11, 8, 6, 45, 34, 26, 20, 195, 150, 116, 90, 70, 873, 678, 528, 412, 322, 252, 3989, 3116, 2438, 1910, 1498, 1176, 924, 18483, 14494, 11378, 8940, 7030, 5532, 4356, 3432, 86515, 68032, 53538]

cp's OEIS Frontend

A163841 Triangle interpolating the swinging factorial (A056040) restricted to even indices with its binomial transform. Same as interpolating bilateral Schroeder paths (A026375) with the central binomial coefficients (A000984).

Table of values

List of values