A227526 - cp's OEIS frontend

A227526 G.f.: Sum_{n>=0} x^n * (1+x)^A003188(n), where A003188(n) = n XOR [n/2] is the Gray code for n.

n	a(n)
0	1
1	1
2	2
3	4
4	6
5	9
6	23
7	47
8	65
9	70
10	111
11	323
12	902
13	2064
14	3997
15	6697
16	9638
17	11664
18	11804
19	11436
20	18903
21	61053
22	209236
23	623648
24	1610326
25	3685365
26	7673031
27	14926689
28	27784642
29	50202979
30	88022528
31	147757232
32	232939294
33	338735927
34	448199945
35	534600063
36	571408283
37	546281026
38	475461610

[1, 1, 2, 4, 6, 9, 23, 47, 65, 70, 111, 323, 902, 2064, 3997, 6697, 9638, 11664, 11804, 11436, 18903, 61053, 209236, 623648, 1610326, 3685365, 7673031, 14926689, 27784642, 50202979, 88022528, 147757232, 232939294, 338735927, 448199945, 534600063, 571408283, 546281026, 475461610]

cp's OEIS Frontend

A227526 G.f.: Sum_{n>=0} x^n * (1+x)^A003188(n), where A003188(n) = n XOR [n/2] is the Gray code for n.

Table of values

List of values