A206920 - cp's OEIS frontend

A206920 Sum of the first n binary palindromes; a(n) = Sum_{k=1..n} A006995(k).

n	a(n)
1	0
2	1
3	4
4	9
5	16
6	25
7	40
8	57
9	78
10	105
11	136
12	169
13	214
14	265
15	328
16	393
17	466
18	551
19	644
20	743
21	850
22	969
23	1096
24	1225
25	1378
26	1543
27	1732
28	1927
29	2146
30	2377
31	2632
32	2889
33	3162
34	3459
35	3772
36	4097
37	4438
38	4803
39	5184
40	5571
41	5974
42	6401
43	6844
44	7299
45	7770
46	8265
47	8776
48	9289
49	9850

[0, 1, 4, 9, 16, 25, 40, 57, 78, 105, 136, 169, 214, 265, 328, 393, 466, 551, 644, 743, 850, 969, 1096, 1225, 1378, 1543, 1732, 1927, 2146, 2377, 2632, 2889, 3162, 3459, 3772, 4097, 4438, 4803, 5184, 5571, 5974, 6401, 6844, 7299, 7770, 8265, 8776, 9289, 9850]

cp's OEIS Frontend

A206920 Sum of the first n binary palindromes; a(n) = Sum_{k=1..n} A006995(k).

Table of values

List of values