A299989 - cp's OEIS frontend

A299989 Triangle read by rows: T(n,0) = 0 for n >= 0; T(n,2k+1) = A152842(2n,2(n-k)) and T(n,2k) = A152842(2n,2(n-k)+1) for n >= k > 0.

n	a(n)
0	0
1	1
2	0
3	3
4	4
5	1
6	0
7	9
8	24
9	22
10	8
11	1
12	0
13	27
14	108
15	171
16	136
17	57
18	12
19	1
20	0
21	81
22	432
23	972
24	1200
25	886
26	400
27	108
28	16
29	1
30	0
31	243
32	1620
33	4725
34	7920
35	8430
36	5944
37	2810
38	880
39	175
40	20
41	1
42	0
43	729
44	5832
45	20898
46	44280
47	61695
48	59472
49	40636
50	19824
51	6855
52	1640
53	258
54	24
55	1

[0, 1, 0, 3, 4, 1, 0, 9, 24, 22, 8, 1, 0, 27, 108, 171, 136, 57, 12, 1, 0, 81, 432, 972, 1200, 886, 400, 108, 16, 1, 0, 243, 1620, 4725, 7920, 8430, 5944, 2810, 880, 175, 20, 1, 0, 729, 5832, 20898, 44280, 61695, 59472, 40636, 19824, 6855, 1640, 258, 24, 1]

cp's OEIS Frontend

A299989 Triangle read by rows: T(n,0) = 0 for n >= 0; T(n,2k+1) = A152842(2n,2(n-k)) and T(n,2k) = A152842(2n,2(n-k)+1) for n >= k > 0.

Table of values

List of values

cp's OEIS Frontend

A299989 Triangle read by rows: T(n,0) = 0 for n >= 0; T(n,2*k+1) = A152842(2*n,2*(n-k)) and T(n,2*k) = A152842(2*n,2*(n-k)+1) for n >= k > 0.

Table of values

List of values

A299989 Triangle read by rows: T(n,0) = 0 for n >= 0; T(n,2k+1) = A152842(2n,2(n-k)) and T(n,2k) = A152842(2n,2(n-k)+1) for n >= k > 0.