A358400 - 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

A358400 as a simple table

n	a(n)
1	139
2	1313
3	5359
4	15365
5	34229
6	68385
7	120421
8	200839
9	312057
10	468827
11	669591
12	943175
13	1274089
14	1701441
15	2216841
16	2856379
17	3594651
18	4510437
19	5541135
20	6788823
21	8195941
22	9845089
23	11670925
24	13842429
25	16191555

[139,1313,5359,15365,34229,68385,120421,200839, 312057,468827,669591,943175,1274089,1701441, 2216841,2856379,3594651,4510437,5541135,6788823, 8195941,9845089,11670925,13842429,16191555]