A097712 - cp's OEIS frontend

A097712 Lower triangular matrix T, read by rows, such that T(n,0) = 1 and T(n,k) = T(n-1,k) + T^2(n-1,k-1) for k>0, where T^2 is the matrix square of T.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	8
8	7
9	1
10	1
11	25
12	44
13	15
14	1
15	1
16	111
17	346
18	208
19	31
20	1
21	1
22	809
23	4045
24	3720
25	912
26	63
27	1
28	1
29	10360
30	77351
31	99776
32	35136
33	3840
34	127
35	1
36	1
37	236952
38	2535715
39	4341249
40	2032888
41	308976
42	15808
43	255
44	1
45	1
46	9708797
47	145895764
48	319822055
49	189724354
50	37329584
51	2608864
52	64256
53	511
54	1

[1, 1, 1, 1, 3, 1, 1, 8, 7, 1, 1, 25, 44, 15, 1, 1, 111, 346, 208, 31, 1, 1, 809, 4045, 3720, 912, 63, 1, 1, 10360, 77351, 99776, 35136, 3840, 127, 1, 1, 236952, 2535715, 4341249, 2032888, 308976, 15808, 255, 1, 1, 9708797, 145895764, 319822055, 189724354, 37329584, 2608864, 64256, 511, 1]

cp's OEIS Frontend

A097712 Lower triangular matrix T, read by rows, such that T(n,0) = 1 and T(n,k) = T(n-1,k) + T^2(n-1,k-1) for k>0, where T^2 is the matrix square of T.

Table of values

List of values