A112304 - 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

A112304 as a simple table

n	a(n)
2	2
3	7
4	19
5	46
6	214
7	394
8	1114
9	3994
10	3826
11	13666
12	83554
13	22234
14	189814
15	644869
16	1387786
17	1427911
18	4355311
19	5715319
20	12807391
21	43030381
22	64320754
23	133826599
24	452980999

[2,7,19,46,214,394,1114,3994,3826,13666,83554, 22234,189814,644869,1387786,1427911,4355311, 5715319,12807391,43030381,64320754,133826599, 452980999]