A180630 - 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

A180630 as a simple table

n	a(n)
1	2
2	3
3	12
4	15
5	16
6	25
7	30
8	38
9	59
10	82
11	114
12	168
13	172
14	175
15	213
16	229
17	251
18	302
19	311
20	554
21	2538
22	3050
23	3363
24	12316

[2,3,12,15,16,25,30,38,59,82,114,168,172,175,213, 229,251,302,311,554,2538,3050,3363,12316]