A384820 - cp's OEIS frontend

A384820 G.f. A(x) = exp( Sum_{n>=1} (n^2 - A384819(n))*x^n/n ) where A384819(k) < k for k >= 1 such that A(x) is a power series with integral coefficients.

n	a(n)
0	1
1	1
2	2
3	4
4	8
5	14
6	25
7	43
8	74
9	124
10	205
11	335
12	543
13	869
14	1379
15	2170
16	3388
17	5249
18	8079
19	12353
20	18776
21	28375
22	42651
23	63782
24	94923
25	140614
26	207384
27	304578
28	445528
29	649200
30	942495
31	1363447
32	1965697
33	2824676
34	4046190
35	5778273
36	8227533
37	11681632
38	16540183
39	23357053
40	32898242

[1, 1, 2, 4, 8, 14, 25, 43, 74, 124, 205, 335, 543, 869, 1379, 2170, 3388, 5249, 8079, 12353, 18776, 28375, 42651, 63782, 94923, 140614, 207384, 304578, 445528, 649200, 942495, 1363447, 1965697, 2824676, 4046190, 5778273, 8227533, 11681632, 16540183, 23357053, 32898242]

cp's OEIS Frontend

A384820 G.f. A(x) = exp( Sum_{n>=1} (n^2 - A384819(n))*x^n/n ) where A384819(k) < k for k >= 1 such that A(x) is a power series with integral coefficients.

Table of values

List of values