A231678 - cp's OEIS frontend

A231678 a(n) = Sum_{i=0..n} digsum_7(i)^3, where digsum_7(i) = A053828(i).

n	a(n)
0	0
1	1
2	9
3	36
4	100
5	225
6	441
7	442
8	450
9	477
10	541
11	666
12	882
13	1225
14	1233
15	1260
16	1324
17	1449
18	1665
19	2008
20	2520
21	2547
22	2611
23	2736
24	2952
25	3295
26	3807
27	4536
28	4600
29	4725
30	4941
31	5284
32	5796
33	6525
34	7525
35	7650
36	7866
37	8209
38	8721
39	9450
40	10450
41	11781
42	11997
43	12340
44	12852
45	13581
46	14581
47	15912
48	17640
49	17641
50	17649
51	17676
52	17740
53	17865
54	18081
55	18424
56	18432
57	18459
58	18523
59	18648
60	18864
61	19207

[0, 1, 9, 36, 100, 225, 441, 442, 450, 477, 541, 666, 882, 1225, 1233, 1260, 1324, 1449, 1665, 2008, 2520, 2547, 2611, 2736, 2952, 3295, 3807, 4536, 4600, 4725, 4941, 5284, 5796, 6525, 7525, 7650, 7866, 8209, 8721, 9450, 10450, 11781, 11997, 12340, 12852, 13581, 14581, 15912, 17640, 17641, 17649, 17676, 17740, 17865, 18081, 18424, 18432, 18459, 18523, 18648, 18864, 19207]

cp's OEIS Frontend

A231678 a(n) = Sum_{i=0..n} digsum_7(i)^3, where digsum_7(i) = A053828(i).

Table of values

List of values