A179467 - cp's OEIS frontend

A179467 G.f. satisfies: A(x) = exp( Sum_{n>=1} sigma(n)A(x^n)x^n/n ).

n	a(n)
0	1
1	1
2	3
3	7
4	19
5	47
6	131
7	351
8	992
9	2808
10	8131
11	23723
12	70192
13	209209
14	629165
15	1904391
16	5801109
17	17764063
18	54663309
19	168925259
20	524064687
21	1631511342
22	5095440198
23	15960070908
24	50124189982
25	157806721089
26	497953049736
27	1574573746276

[1, 1, 3, 7, 19, 47, 131, 351, 992, 2808, 8131, 23723, 70192, 209209, 629165, 1904391, 5801109, 17764063, 54663309, 168925259, 524064687, 1631511342, 5095440198, 15960070908, 50124189982, 157806721089, 497953049736, 1574573746276]

cp's OEIS Frontend

A179467 G.f. satisfies: A(x) = exp( Sum_{n>=1} sigma(n)A(x^n)x^n/n ).

Table of values

List of values

cp's OEIS Frontend

A179467 G.f. satisfies: A(x) = exp( Sum_{n>=1} sigma(n)*A(x^n)*x^n/n ).

Table of values

List of values

A179467 G.f. satisfies: A(x) = exp( Sum_{n>=1} sigma(n)A(x^n)x^n/n ).