A137680 - cp's OEIS frontend

A137680 Triangle read by rows, T(n,k) = T(n-1, k-1) - T(n-k, k-1); with leftmost term in each row = sum of all previous terms.

n	a(n)
1	1
2	1
3	1
4	3
5	0
6	1
7	7
8	2
9	0
10	1
11	17
12	4
13	1
14	0
15	1
16	40
17	10
18	4
19	1
20	0
21	1
22	96
23	23
24	8
25	3
26	1
27	0
28	1
29	228
30	56
31	19
32	8
33	3
34	1
35	0
36	1
37	544
38	132
39	46
40	18
41	7
42	3
43	1
44	0
45	1
46	1296
47	316
48	109
49	42
50	18
51	7
52	3
53	1
54	0
55	1
56	3089
57	752
58	260
59	101
60	41
61	17
62	7
63	3
64	1
65	0
66	1
67	7361
68	1793
69	620
70	241
71	98
72	41
73	17
74	7
75	3
76	1
77	0
78	1
79	17544
80	4272
81	1477
82	574
83	233
84	97
85	40
86	17
87	7
88	3
89	1
90	0
91	1

[1, 1, 1, 3, 0, 1, 7, 2, 0, 1, 17, 4, 1, 0, 1, 40, 10, 4, 1, 0, 1, 96, 23, 8, 3, 1, 0, 1, 228, 56, 19, 8, 3, 1, 0, 1, 544, 132, 46, 18, 7, 3, 1, 0, 1, 1296, 316, 109, 42, 18, 7, 3, 1, 0, 1, 3089, 752, 260, 101, 41, 17, 7, 3, 1, 0, 1, 7361, 1793, 620, 241, 98, 41, 17, 7, 3, 1, 0, 1, 17544, 4272, 1477, 574, 233, 97, 40, 17, 7, 3, 1, 0, 1]

cp's OEIS Frontend

A137680 Triangle read by rows, T(n,k) = T(n-1, k-1) - T(n-k, k-1); with leftmost term in each row = sum of all previous terms.

Table of values

List of values