A144703 - cp's OEIS frontend

A144703 Denominators of triangle S(n,k), n>=0, 0<=k<=ceiling((3n+1)/2): S(n,k) is the coefficient of x^k in polynomial s_n(x), used to define continuous and n times differentiable sigmoidal transfer functions.

n	a(n)
0	2
1	2
2	2
3	1
4	2
5	2
6	1
7	1
8	1
9	2
10	2
11	4
12	1
13	2
14	2
15	4
16	2
17	16
18	1
19	16
20	1
21	16
22	2
23	16
24	2
25	2
26	1
27	2
28	1
29	2
30	1
31	2
32	2
33	2
34	16
35	1
36	4
37	1
38	8
39	1
40	4
41	2
42	16
43	1
44	2
45	32
46	1
47	32
48	1
49	16
50	1
51	16
52	2
53	32
54	1
55	32
56	2
57	256
58	1
59	128
60	1
61	256
62	1
63	64
64	1
65	256
66	1
67	128
68	2
69	256
70	2
71	128
72	1
73	64
74	1
75	128
76	1
77	32
78	1
79	128
80	2
81	64
82	2
83	128
84	2
85	2

[2, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 4, 1, 2, 2, 4, 2, 16, 1, 16, 1, 16, 2, 16, 2, 2, 1, 2, 1, 2, 1, 2, 2, 2, 16, 1, 4, 1, 8, 1, 4, 2, 16, 1, 2, 32, 1, 32, 1, 16, 1, 16, 2, 32, 1, 32, 2, 256, 1, 128, 1, 256, 1, 64, 1, 256, 1, 128, 2, 256, 2, 128, 1, 64, 1, 128, 1, 32, 1, 128, 2, 64, 2, 128, 2, 2]

cp's OEIS Frontend

A144703 Denominators of triangle S(n,k), n>=0, 0<=k<=ceiling((3n+1)/2): S(n,k) is the coefficient of x^k in polynomial s_n(x), used to define continuous and n times differentiable sigmoidal transfer functions.

Table of values

List of values

n	a(n)
0	2
1	2
2	2
3	1
4	2
5	2
6	1
7	1
8	1
9	2
10	2
11	4
12	1
13	2
14	2
15	4
16	2
17	16
18	1
19	16
20	1
21	16
22	2
23	16
24	2
25	2
26	1
27	2
28	1
29	2
30	1
31	2
32	2
33	2
34	16
35	1
36	4
37	1
38	8
39	1
40	4
41	2
42	16
43	1
44	2
45	32
46	1
47	32
48	1
49	16
50	1
51	16
52	2
53	32
54	1
55	32
56	2
57	256
58	1
59	128
60	1
61	256
62	1
63	64
64	1
65	256
66	1
67	128
68	2
69	256
70	2
71	128
72	1
73	64
74	1
75	128
76	1
77	32
78	1
79	128
80	2
81	64
82	2
83	128
84	2
85	2

n	a(n)
0	2
1	2
2	2
3	1
4	2
5	2
6	1
7	1
8	1
9	2
10	2
11	4
12	1
13	2
14	2
15	4
16	2
17	16
18	1
19	16
20	1
21	16
22	2
23	16
24	2
25	2
26	1
27	2
28	1
29	2
30	1
31	2
32	2
33	2
34	16
35	1
36	4
37	1
38	8
39	1
40	4
41	2
42	16
43	1
44	2
45	32
46	1
47	32
48	1
49	16
50	1
51	16
52	2
53	32
54	1
55	32
56	2
57	256
58	1
59	128
60	1
61	256
62	1
63	64
64	1
65	256
66	1
67	128
68	2
69	256
70	2
71	128
72	1
73	64
74	1
75	128
76	1
77	32
78	1
79	128
80	2
81	64
82	2
83	128
84	2
85	2

n	a(n)
0	2
1	2
2	2
3	1
4	2
5	2
6	1
7	1
8	1
9	2
10	2
11	4
12	1
13	2
14	2
15	4
16	2
17	16
18	1
19	16
20	1
21	16
22	2
23	16
24	2
25	2
26	1
27	2
28	1
29	2
30	1
31	2
32	2
33	2
34	16
35	1
36	4
37	1
38	8
39	1
40	4
41	2
42	16
43	1
44	2
45	32
46	1
47	32
48	1
49	16
50	1
51	16
52	2
53	32
54	1
55	32
56	2
57	256
58	1
59	128
60	1
61	256
62	1
63	64
64	1
65	256
66	1
67	128
68	2
69	256
70	2
71	128
72	1
73	64
74	1
75	128
76	1
77	32
78	1
79	128
80	2
81	64
82	2
83	128
84	2
85	2