A054090 - cp's OEIS frontend

A054090 Triangular array generated by its row sums: T(n,0) = 1 for n >= 0, T(n,1) = r(n-1), T(n,k) = T(n,k-1) - (-1)^k * r(n-k) for k = 2, 3, ..., n, n >= 2, r(h) = sum of the numbers in row h of T.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	2
9	3
10	1
11	10
12	6
13	8
14	7
15	1
16	32
17	22
18	26
19	24
20	25
21	1
22	130
23	98
24	108
25	104
26	106
27	105
28	1
29	652
30	522
31	554
32	544
33	548
34	546
35	547
36	1
37	3914
38	3262
39	3392
40	3360
41	3370
42	3366
43	3368
44	3367
45	1
46	27400
47	23486
48	24138
49	24008
50	24040
51	24030
52	24034
53	24032
54	24033

[1, 1, 1, 1, 2, 1, 1, 4, 2, 3, 1, 10, 6, 8, 7, 1, 32, 22, 26, 24, 25, 1, 130, 98, 108, 104, 106, 105, 1, 652, 522, 554, 544, 548, 546, 547, 1, 3914, 3262, 3392, 3360, 3370, 3366, 3368, 3367, 1, 27400, 23486, 24138, 24008, 24040, 24030, 24034, 24032, 24033]

cp's OEIS Frontend

A054090 Triangular array generated by its row sums: T(n,0) = 1 for n >= 0, T(n,1) = r(n-1), T(n,k) = T(n,k-1) - (-1)^k * r(n-k) for k = 2, 3, ..., n, n >= 2, r(h) = sum of the numbers in row h of T.

Table of values

List of values