A101280 - cp's OEIS frontend

A101280 Triangle T(n,k) (n >= 1, 0 <= k <= floor((n-1)/2)) read by rows, where T(n,k) = (k+1)T(n-1,k) + (2n-4k)T(n-1,k-1).

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	8
7	1
8	22
9	16
10	1
11	52
12	136
13	1
14	114
15	720
16	272
17	1
18	240
19	3072
20	3968
21	1
22	494
23	11616
24	34304
25	7936
26	1
27	1004
28	40776
29	230144
30	176896
31	1
32	2026
33	136384
34	1328336
35	2265344
36	353792
37	1
38	4072
39	441568
40	6949952
41	21953408
42	11184128
43	1
44	8166
45	1398000
46	33981760

[1, 1, 1, 2, 1, 8, 1, 22, 16, 1, 52, 136, 1, 114, 720, 272, 1, 240, 3072, 3968, 1, 494, 11616, 34304, 7936, 1, 1004, 40776, 230144, 176896, 1, 2026, 136384, 1328336, 2265344, 353792, 1, 4072, 441568, 6949952, 21953408, 11184128, 1, 8166, 1398000, 33981760]

cp's OEIS Frontend

A101280 Triangle T(n,k) (n >= 1, 0 <= k <= floor((n-1)/2)) read by rows, where T(n,k) = (k+1)T(n-1,k) + (2n-4k)T(n-1,k-1).

Table of values

List of values