A026058 - cp's OEIS frontend

A026058 a(n) = (d(n)-r(n))/2, where d = A026057 and r is the periodic sequence with fundamental period (0,0,1,0).

n	a(n)
4	13
5	25
6	41
7	63
8	90
9	123
10	162
11	209
12	263
13	325
14	395
15	475
16	564
17	663
18	772
19	893
20	1025
21	1169
22	1325
23	1495
24	1678
25	1875
26	2086
27	2313
28	2555
29	2813
30	3087
31	3379
32	3688
33	4015
34	4360
35	4725
36	5109
37	5513
38	5937
39	6383
40	6850
41	7339
42	7850
43	8385
44	8943
45	9525
46	10131
47	10763
48	11420
49	12103
50	12812
51	13549
52	14313
53	15105
54	15925

[13, 25, 41, 63, 90, 123, 162, 209, 263, 325, 395, 475, 564, 663, 772, 893, 1025, 1169, 1325, 1495, 1678, 1875, 2086, 2313, 2555, 2813, 3087, 3379, 3688, 4015, 4360, 4725, 5109, 5513, 5937, 6383, 6850, 7339, 7850, 8385, 8943, 9525, 10131, 10763, 11420, 12103, 12812, 13549, 14313, 15105, 15925]

cp's OEIS Frontend

A026058 a(n) = (d(n)-r(n))/2, where d = A026057 and r is the periodic sequence with fundamental period (0,0,1,0).

Table of values

List of values