A336454 - cp's OEIS frontend

A336454 a(n) = denominator(2^nSum_{k=0..n} binomial(n, k)Bernoulli(k, 1/2)*x^(n-k)).

n	a(n)
0	1
1	1
2	3
3	1
4	15
5	3
6	21
7	3
8	15
9	5
10	33
11	3
12	1365
13	105
14	15
15	3
16	255
17	15
18	1995
19	105
20	1155
21	165
22	345
23	15
24	1365
25	273
26	21
27	7
28	435
29	15
30	7161
31	231
32	19635
33	1785
34	105
35	3
36	959595
37	25935
38	1365
39	105
40	47355
41	1155
42	49665
43	1155
44	2415
45	2415
46	4935
47	105
48	23205
49	3315
50	7293
51	429
52	8745

[1, 1, 3, 1, 15, 3, 21, 3, 15, 5, 33, 3, 1365, 105, 15, 3, 255, 15, 1995, 105, 1155, 165, 345, 15, 1365, 273, 21, 7, 435, 15, 7161, 231, 19635, 1785, 105, 3, 959595, 25935, 1365, 105, 47355, 1155, 49665, 1155, 2415, 2415, 4935, 105, 23205, 3315, 7293, 429, 8745]

cp's OEIS Frontend

A336454 a(n) = denominator(2^nSum_{k=0..n} binomial(n, k)Bernoulli(k, 1/2)*x^(n-k)).

Table of values

List of values

cp's OEIS Frontend

A336454 a(n) = denominator(2^n*Sum_{k=0..n} binomial(n, k)*Bernoulli(k, 1/2)*x^(n-k)).

Table of values

List of values

A336454 a(n) = denominator(2^nSum_{k=0..n} binomial(n, k)Bernoulli(k, 1/2)*x^(n-k)).