A120643 - cp's OEIS frontend

A120643 Table T(n,k) = number of fractal initial sequences (where new values are successive integers) of length n whose last term is k.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	2
10	1
11	5
12	4
13	3
14	3
15	1
16	8
17	8
18	5
19	6
20	4
21	1
22	14
23	14
24	10
25	10
26	10
27	5
28	1
29	24
30	25
31	21
32	16
33	20
34	15
35	6
36	1
37	43
38	43
39	43
40	28
41	35
42	35
43	21
44	7
45	1
46	77
47	76
48	83
49	56
50	57
51	70
52	56
53	28
54	8
55	1
56	140
57	136
58	153
59	120
60	93
61	126
62	126
63	84
64	36
65	9
66	1
67	256
68	248
69	274
70	256
71	165
72	211
73	252
74	210
75	120
76	45
77	10
78	1

[1, 1, 1, 2, 1, 1, 3, 2, 2, 1, 5, 4, 3, 3, 1, 8, 8, 5, 6, 4, 1, 14, 14, 10, 10, 10, 5, 1, 24, 25, 21, 16, 20, 15, 6, 1, 43, 43, 43, 28, 35, 35, 21, 7, 1, 77, 76, 83, 56, 57, 70, 56, 28, 8, 1, 140, 136, 153, 120, 93, 126, 126, 84, 36, 9, 1, 256, 248, 274, 256, 165, 211, 252, 210, 120, 45, 10, 1]

cp's OEIS Frontend

A120643 Table T(n,k) = number of fractal initial sequences (where new values are successive integers) of length n whose last term is k.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	2
10	1
11	5
12	4
13	3
14	3
15	1
16	8
17	8
18	5
19	6
20	4
21	1
22	14
23	14
24	10
25	10
26	10
27	5
28	1
29	24
30	25
31	21
32	16
33	20
34	15
35	6
36	1
37	43
38	43
39	43
40	28
41	35
42	35
43	21
44	7
45	1
46	77
47	76
48	83
49	56
50	57
51	70
52	56
53	28
54	8
55	1
56	140
57	136
58	153
59	120
60	93
61	126
62	126
63	84
64	36
65	9
66	1
67	256
68	248
69	274
70	256
71	165
72	211
73	252
74	210
75	120
76	45
77	10
78	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	2
10	1
11	5
12	4
13	3
14	3
15	1
16	8
17	8
18	5
19	6
20	4
21	1
22	14
23	14
24	10
25	10
26	10
27	5
28	1
29	24
30	25
31	21
32	16
33	20
34	15
35	6
36	1
37	43
38	43
39	43
40	28
41	35
42	35
43	21
44	7
45	1
46	77
47	76
48	83
49	56
50	57
51	70
52	56
53	28
54	8
55	1
56	140
57	136
58	153
59	120
60	93
61	126
62	126
63	84
64	36
65	9
66	1
67	256
68	248
69	274
70	256
71	165
72	211
73	252
74	210
75	120
76	45
77	10
78	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	2
9	2
10	1
11	5
12	4
13	3
14	3
15	1
16	8
17	8
18	5
19	6
20	4
21	1
22	14
23	14
24	10
25	10
26	10
27	5
28	1
29	24
30	25
31	21
32	16
33	20
34	15
35	6
36	1
37	43
38	43
39	43
40	28
41	35
42	35
43	21
44	7
45	1
46	77
47	76
48	83
49	56
50	57
51	70
52	56
53	28
54	8
55	1
56	140
57	136
58	153
59	120
60	93
61	126
62	126
63	84
64	36
65	9
66	1
67	256
68	248
69	274
70	256
71	165
72	211
73	252
74	210
75	120
76	45
77	10
78	1