A231669 - cp's OEIS frontend

A231669 a(n) = Sum_{i=0..n} digsum_5(i)^2, where digsum_5(i) = A053824(i).

n	a(n)
0	0
1	1
2	5
3	14
4	30
5	31
6	35
7	44
8	60
9	85
10	89
11	98
12	114
13	139
14	175
15	184
16	200
17	225
18	261
19	310
20	326
21	351
22	387
23	436
24	500
25	501
26	505
27	514
28	530
29	555
30	559
31	568
32	584
33	609
34	645
35	654
36	670
37	695
38	731
39	780
40	796
41	821
42	857
43	906
44	970
45	995
46	1031
47	1080
48	1144
49	1225
50	1229
51	1238
52	1254
53	1279
54	1315
55	1324
56	1340
57	1365
58	1401
59	1450
60	1466
61	1491
62	1527
63	1576
64	1640
65	1665
66	1701
67	1750
68	1814
69	1895
70	1931
71	1980

[0, 1, 5, 14, 30, 31, 35, 44, 60, 85, 89, 98, 114, 139, 175, 184, 200, 225, 261, 310, 326, 351, 387, 436, 500, 501, 505, 514, 530, 555, 559, 568, 584, 609, 645, 654, 670, 695, 731, 780, 796, 821, 857, 906, 970, 995, 1031, 1080, 1144, 1225, 1229, 1238, 1254, 1279, 1315, 1324, 1340, 1365, 1401, 1450, 1466, 1491, 1527, 1576, 1640, 1665, 1701, 1750, 1814, 1895, 1931, 1980]

cp's OEIS Frontend

A231669 a(n) = Sum_{i=0..n} digsum_5(i)^2, where digsum_5(i) = A053824(i).

Table of values

List of values