A156022 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A156022 as a simple table

n	a(n)
1	1
2	2
3	4
4	6
5	9
6	12
7	16
8	21
9	26
10	32
11	39
12	46
13	54
14	63
15	72
16	82
17	93
18	105
19	117
20	130
21	144
22	159
23	175
24	191
25	208
26	226
27	245
28	264
29	284
30	305
31	327

[1,2,4,6,9,12,16,21,26,32,39,46,54,63,72,82,93, 105,117,130,144,159,175,191,208,226,245,264,284, 305,327]

n	a(n)
1	1
2	2
3	4
4	6
5	9
6	12
7	16
8	21
9	26
10	32
11	39
12	46
13	54
14	63
15	72
16	82
17	93
18	105
19	117
20	130
21	144
22	159
23	175
24	191
25	208
26	226
27	245
28	264
29	284
30	305
31	327

n	a(n)
1	1
2	2
3	4
4	6
5	9
6	12
7	16
8	21
9	26
10	32
11	39
12	46
13	54
14	63
15	72
16	82
17	93
18	105
19	117
20	130
21	144
22	159
23	175
24	191
25	208
26	226
27	245
28	264
29	284
30	305
31	327

n	a(n)
1	1
2	2
3	4
4	6
5	9
6	12
7	16
8	21
9	26
10	32
11	39
12	46
13	54
14	63
15	72
16	82
17	93
18	105
19	117
20	130
21	144
22	159
23	175
24	191
25	208
26	226
27	245
28	264
29	284
30	305
31	327