A062708 - cp's OEIS frontend

A062708 Write 0,1,2,3,4,... in a triangular spiral; then a(n) is the sequence found by reading the terms along the line from 0 in the direction 0,2,...

n	a(n)
0	0
1	2
2	13
3	33
4	62
5	100
6	147
7	203
8	268
9	342
10	425
11	517
12	618
13	728
14	847
15	975
16	1112
17	1258
18	1413
19	1577
20	1750
21	1932
22	2123
23	2323
24	2532
25	2750
26	2977
27	3213
28	3458
29	3712
30	3975
31	4247
32	4528
33	4818
34	5117
35	5425
36	5742
37	6068
38	6403
39	6747
40	7100
41	7462
42	7833
43	8213
44	8602
45	9000

[0, 2, 13, 33, 62, 100, 147, 203, 268, 342, 425, 517, 618, 728, 847, 975, 1112, 1258, 1413, 1577, 1750, 1932, 2123, 2323, 2532, 2750, 2977, 3213, 3458, 3712, 3975, 4247, 4528, 4818, 5117, 5425, 5742, 6068, 6403, 6747, 7100, 7462, 7833, 8213, 8602, 9000]

cp's OEIS Frontend

A062708 Write 0,1,2,3,4,... in a triangular spiral; then a(n) is the sequence found by reading the terms along the line from 0 in the direction 0,2,...

Table of values

List of values