A189507 - cp's OEIS frontend

A189507 Triangle read by rows: T(n,k) (n >= 0, 1 <= k <= n+1) are the signed Hultman numbers.

n	a(n)
0	1
1	1
2	1
3	4
4	3
5	1
6	20
7	21
8	6
9	1
10	148
11	160
12	65
13	10
14	1
15	1348
16	1620
17	701
18	155
19	15
20	1
21	15104
22	19068
23	9324
24	2247
25	315
26	21
27	1
28	198144
29	264420
30	138016
31	38029
32	5908
33	574
34	28
35	1
36	2998656
37	4166880
38	2325740
39	692088
40	124029
41	13524
42	966
43	36
44	1
45	51290496
46	74011488
47	43448940
48	13945700
49	2723469
50	344961
51	27930
52	1530
53	45
54	1
55	979732224
56	1459381440
57	897020784
58	305142068
59	64711856
60	8996295
61	850905
62	53262
63	2310
64	55
65	1

[1, 1, 1, 4, 3, 1, 20, 21, 6, 1, 148, 160, 65, 10, 1, 1348, 1620, 701, 155, 15, 1, 15104, 19068, 9324, 2247, 315, 21, 1, 198144, 264420, 138016, 38029, 5908, 574, 28, 1, 2998656, 4166880, 2325740, 692088, 124029, 13524, 966, 36, 1, 51290496, 74011488, 43448940, 13945700, 2723469, 344961, 27930, 1530, 45, 1, 979732224, 1459381440, 897020784, 305142068, 64711856, 8996295, 850905, 53262, 2310, 55, 1]

cp's OEIS Frontend

A189507 Triangle read by rows: T(n,k) (n >= 0, 1 <= k <= n+1) are the signed Hultman numbers.

Table of values

List of values