A291960 - cp's OEIS frontend

A291960 Triangle read by rows: T(n,k) = T(n-k,k-1) + k * T(n-k,k) with T(0,0) = 1 for 0 <= k <= A003056(n).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	0
6	1
7	1
8	0
9	1
10	1
11	0
12	1
13	3
14	0
15	1
16	3
17	1
18	0
19	1
20	7
21	1
22	0
23	1
24	7
25	3
26	0
27	1
28	15
29	6
30	0
31	1
32	15
33	10
34	1
35	0
36	1
37	31
38	16
39	1
40	0
41	1
42	31
43	33
44	3
45	0
46	1
47	63
48	45
49	6
50	0
51	1
52	63
53	79
54	14
55	0
56	1
57	127
58	130
59	20
60	1
61	0
62	1
63	127
64	198
65	45
66	1
67	0
68	1
69	255
70	300
71	69
72	3
73	0
74	1
75	255
76	517
77	135

[1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 3, 0, 1, 3, 1, 0, 1, 7, 1, 0, 1, 7, 3, 0, 1, 15, 6, 0, 1, 15, 10, 1, 0, 1, 31, 16, 1, 0, 1, 31, 33, 3, 0, 1, 63, 45, 6, 0, 1, 63, 79, 14, 0, 1, 127, 130, 20, 1, 0, 1, 127, 198, 45, 1, 0, 1, 255, 300, 69, 3, 0, 1, 255, 517, 135]

cp's OEIS Frontend

A291960 Triangle read by rows: T(n,k) = T(n-k,k-1) + k * T(n-k,k) with T(0,0) = 1 for 0 <= k <= A003056(n).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	0
6	1
7	1
8	0
9	1
10	1
11	0
12	1
13	3
14	0
15	1
16	3
17	1
18	0
19	1
20	7
21	1
22	0
23	1
24	7
25	3
26	0
27	1
28	15
29	6
30	0
31	1
32	15
33	10
34	1
35	0
36	1
37	31
38	16
39	1
40	0
41	1
42	31
43	33
44	3
45	0
46	1
47	63
48	45
49	6
50	0
51	1
52	63
53	79
54	14
55	0
56	1
57	127
58	130
59	20
60	1
61	0
62	1
63	127
64	198
65	45
66	1
67	0
68	1
69	255
70	300
71	69
72	3
73	0
74	1
75	255
76	517
77	135

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	0
6	1
7	1
8	0
9	1
10	1
11	0
12	1
13	3
14	0
15	1
16	3
17	1
18	0
19	1
20	7
21	1
22	0
23	1
24	7
25	3
26	0
27	1
28	15
29	6
30	0
31	1
32	15
33	10
34	1
35	0
36	1
37	31
38	16
39	1
40	0
41	1
42	31
43	33
44	3
45	0
46	1
47	63
48	45
49	6
50	0
51	1
52	63
53	79
54	14
55	0
56	1
57	127
58	130
59	20
60	1
61	0
62	1
63	127
64	198
65	45
66	1
67	0
68	1
69	255
70	300
71	69
72	3
73	0
74	1
75	255
76	517
77	135

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	0
6	1
7	1
8	0
9	1
10	1
11	0
12	1
13	3
14	0
15	1
16	3
17	1
18	0
19	1
20	7
21	1
22	0
23	1
24	7
25	3
26	0
27	1
28	15
29	6
30	0
31	1
32	15
33	10
34	1
35	0
36	1
37	31
38	16
39	1
40	0
41	1
42	31
43	33
44	3
45	0
46	1
47	63
48	45
49	6
50	0
51	1
52	63
53	79
54	14
55	0
56	1
57	127
58	130
59	20
60	1
61	0
62	1
63	127
64	198
65	45
66	1
67	0
68	1
69	255
70	300
71	69
72	3
73	0
74	1
75	255
76	517
77	135