A026047 - cp's OEIS frontend

A026047 a(n) = (d(n)-r(n))/2, where d = A026046 and r is the periodic sequence with fundamental period (0,1,0,1).

n	a(n)
6	38
7	52
8	72
9	97
10	130
11	170
12	220
13	279
14	350
15	432
16	528
17	637
18	762
19	902
20	1060
21	1235
22	1430
23	1644
24	1880
25	2137
26	2418
27	2722
28	3052
29	3407
30	3790
31	4200
32	4640
33	5109
34	5610
35	6142
36	6708
37	7307
38	7942
39	8612
40	9320
41	10065
42	10850
43	11674
44	12540
45	13447
46	14398
47	15392
48	16432
49	17517
50	18650
51	19830
52	21060
53	22339
54	23670

[38, 52, 72, 97, 130, 170, 220, 279, 350, 432, 528, 637, 762, 902, 1060, 1235, 1430, 1644, 1880, 2137, 2418, 2722, 3052, 3407, 3790, 4200, 4640, 5109, 5610, 6142, 6708, 7307, 7942, 8612, 9320, 10065, 10850, 11674, 12540, 13447, 14398, 15392, 16432, 17517, 18650, 19830, 21060, 22339, 23670]

cp's OEIS Frontend

A026047 a(n) = (d(n)-r(n))/2, where d = A026046 and r is the periodic sequence with fundamental period (0,1,0,1).

Table of values

List of values