A135891 - cp's OEIS frontend

A135891 Triangle, read by rows, equal to P^4, where triangle P = A135880; also equals Q^2, where triangle Q = P^2 = A135885.

n	a(n)
0	1
1	4
2	1
3	20
4	8
5	1
6	126
7	64
8	12
9	1
10	980
11	580
12	132
13	16
14	1
15	9186
16	6064
17	1554
18	224
19	20
20	1
21	101492
22	72832
23	20260
24	3240
25	340
26	24
27	1
28	1296934
29	995050
30	294218
31	50496
32	5830
33	480
34	28
35	1
36	18868652
37	15301004
38	4745522
39	857840
40	105620
41	9516
42	644
43	32
44	1
45	308478492

[1, 4, 1, 20, 8, 1, 126, 64, 12, 1, 980, 580, 132, 16, 1, 9186, 6064, 1554, 224, 20, 1, 101492, 72832, 20260, 3240, 340, 24, 1, 1296934, 995050, 294218, 50496, 5830, 480, 28, 1, 18868652, 15301004, 4745522, 857840, 105620, 9516, 644, 32, 1, 308478492]

cp's OEIS Frontend

A135891 Triangle, read by rows, equal to P^4, where triangle P = A135880; also equals Q^2, where triangle Q = P^2 = A135885.

Table of values

List of values