A161208 - cp's OEIS frontend

A161208 a(n) = (A161206(n+1)-1)/2.

n	a(n)
0	0
1	1
2	3
3	6
4	10
5	15
6	21
7	28
8	34
9	40
10	49
11	61
12	76
13	91
14	105
15	120
16	130
17	136
18	145
19	158
20	175
21	196
22	221
23	249
24	276
25	298
26	322
27	354
28	395
29	435
30	469
31	502
32	520
33	526
34	535
35	548
36	565
37	586
38	611
39	640
40	669
41	696
42	729
43	774
44	831
45	894
46	955
47	1015
48	1066
49	1096
50	1120
51	1155
52	1202
53	1261
54	1332

[0, 1, 3, 6, 10, 15, 21, 28, 34, 40, 49, 61, 76, 91, 105, 120, 130, 136, 145, 158, 175, 196, 221, 249, 276, 298, 322, 354, 395, 435, 469, 502, 520, 526, 535, 548, 565, 586, 611, 640, 669, 696, 729, 774, 831, 894, 955, 1015, 1066, 1096, 1120, 1155, 1202, 1261, 1332]

cp's OEIS Frontend

A161208 a(n) = (A161206(n+1)-1)/2.

Table of values

List of values