A182185 - cp's OEIS frontend

A182185 G.f.: exp( Sum_{n>=1} 3^b(n) * x^n/n ) where b(n) = highest exponent of 3 in 2^n+1.

n	a(n)
0	1
1	3
2	5
3	9
4	15
5	21
6	29
7	39
8	49
9	63
10	81
11	99
12	123
13	153
14	183
15	219
16	261
17	303
18	353
19	411
20	469
21	537
22	615
23	693
24	781
25	879
26	977
27	1089
28	1215
29	1341
30	1485
31	1647
32	1809
33	1989
34	2187
35	2385
36	2607
37	2853
38	3099
39	3375
40	3681
41	3987
42	4323
43	4689
44	5055
45	5457
46	5895
47	6333
48	6813
49	7335
50	7857
51	8421

[1, 3, 5, 9, 15, 21, 29, 39, 49, 63, 81, 99, 123, 153, 183, 219, 261, 303, 353, 411, 469, 537, 615, 693, 781, 879, 977, 1089, 1215, 1341, 1485, 1647, 1809, 1989, 2187, 2385, 2607, 2853, 3099, 3375, 3681, 3987, 4323, 4689, 5055, 5457, 5895, 6333, 6813, 7335, 7857, 8421]

cp's OEIS Frontend

A182185 G.f.: exp( Sum_{n>=1} 3^b(n) * x^n/n ) where b(n) = highest exponent of 3 in 2^n+1.

Table of values

List of values