A231681 - cp's OEIS frontend

A231681 a(n) = Sum_{i=0..n} digsum_8(i)^2, where digsum_8(i) = A053829(i).

n	a(n)
0	0
1	1
2	5
3	14
4	30
5	55
6	91
7	140
8	141
9	145
10	154
11	170
12	195
13	231
14	280
15	344
16	348
17	357
18	373
19	398
20	434
21	483
22	547
23	628
24	637
25	653
26	678
27	714
28	763
29	827
30	908
31	1008
32	1024
33	1049
34	1085
35	1134
36	1198
37	1279
38	1379
39	1500
40	1525
41	1561
42	1610
43	1674
44	1755
45	1855
46	1976
47	2120
48	2156
49	2205
50	2269
51	2350
52	2450
53	2571
54	2715
55	2884
56	2933
57	2997
58	3078
59	3178
60	3299
61	3443
62	3612
63	3808
64	3809
65	3813
66	3822
67	3838
68	3863

[0, 1, 5, 14, 30, 55, 91, 140, 141, 145, 154, 170, 195, 231, 280, 344, 348, 357, 373, 398, 434, 483, 547, 628, 637, 653, 678, 714, 763, 827, 908, 1008, 1024, 1049, 1085, 1134, 1198, 1279, 1379, 1500, 1525, 1561, 1610, 1674, 1755, 1855, 1976, 2120, 2156, 2205, 2269, 2350, 2450, 2571, 2715, 2884, 2933, 2997, 3078, 3178, 3299, 3443, 3612, 3808, 3809, 3813, 3822, 3838, 3863]

cp's OEIS Frontend

A231681 a(n) = Sum_{i=0..n} digsum_8(i)^2, where digsum_8(i) = A053829(i).

Table of values

List of values