A093126 - cp's OEIS frontend

A093126 G.f.: A(x) = x/(1 - x - G001190(x^2)), where G001190 is the g.f. of A001190, the Wedderburn-Etherington numbers (binary rooted trees).

n	a(n)
1	1
2	1
3	2
4	3
5	6
6	10
7	19
8	33
9	62
10	110
11	204
12	366
13	675
14	1219
15	2239
16	4059
17	7439
18	13518
19	24737
20	45018
21	82304
22	149924
23	273929
24	499290
25	911902
26	1662787
27	3036105
28	5537577
29	10109364
30	18441799
31	33663239
32	61416729
33	112099746
34	204536183
35	373305550
36	681166986
37	1243173492
38	2268490929
39	4140035734
40	7554756990
41	13787320832
42	25159612832
43	45915363672

[1, 1, 2, 3, 6, 10, 19, 33, 62, 110, 204, 366, 675, 1219, 2239, 4059, 7439, 13518, 24737, 45018, 82304, 149924, 273929, 499290, 911902, 1662787, 3036105, 5537577, 10109364, 18441799, 33663239, 61416729, 112099746, 204536183, 373305550, 681166986, 1243173492, 2268490929, 4140035734, 7554756990, 13787320832, 25159612832, 45915363672]

cp's OEIS Frontend

A093126 G.f.: A(x) = x/(1 - x - G001190(x^2)), where G001190 is the g.f. of A001190, the Wedderburn-Etherington numbers (binary rooted trees).

Table of values

List of values