A166136 - cp's OEIS frontend

A166136 a(n) = n*(n+3)/2 + 7.

n	a(n)
1	9
2	12
3	16
4	21
5	27
6	34
7	42
8	51
9	61
10	72
11	84
12	97
13	111
14	126
15	142
16	159
17	177
18	196
19	216
20	237
21	259
22	282
23	306
24	331
25	357
26	384
27	412
28	441
29	471
30	502
31	534
32	567
33	601
34	636
35	672
36	709
37	747
38	786
39	826
40	867
41	909
42	952
43	996
44	1041
45	1087
46	1134
47	1182
48	1231
49	1281
50	1332
51	1384
52	1437

[9, 12, 16, 21, 27, 34, 42, 51, 61, 72, 84, 97, 111, 126, 142, 159, 177, 196, 216, 237, 259, 282, 306, 331, 357, 384, 412, 441, 471, 502, 534, 567, 601, 636, 672, 709, 747, 786, 826, 867, 909, 952, 996, 1041, 1087, 1134, 1182, 1231, 1281, 1332, 1384, 1437]

cp's OEIS Frontend

A166136 a(n) = n*(n+3)/2 + 7.

Table of values

List of values