A350880 - cp's OEIS frontend

A350880 a(n) is the constant term in expansion of Product_{k=1..n} (x^prime(k) + 1 + 1/x^prime(k)).

n	a(n)
0	1
1	1
2	1
3	3
4	5
5	7
6	17
7	39
8	95
9	233
10	561
11	1435
12	3643
13	9417
14	24973
15	66695
16	177915
17	475629
18	1293017
19	3517223
20	9636365
21	26676197
22	73848517
23	205382439
24	571628347
25	1588203787
26	4435819313
27	12474619295
28	35194448271
29	99782519701
30	283514955585
31	799783925547

[1, 1, 1, 3, 5, 7, 17, 39, 95, 233, 561, 1435, 3643, 9417, 24973, 66695, 177915, 475629, 1293017, 3517223, 9636365, 26676197, 73848517, 205382439, 571628347, 1588203787, 4435819313, 12474619295, 35194448271, 99782519701, 283514955585, 799783925547]

cp's OEIS Frontend

A350880 a(n) is the constant term in expansion of Product_{k=1..n} (x^prime(k) + 1 + 1/x^prime(k)).

Table of values

List of values