login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A261497 as a simple table

na(n)
01
11
24
319
4116
5776
65620
742288
8328756
92615104
1021191904
11174303163
121451430692
1312211799224
14103655949072
15886568153744
167633233556276
1766105170315084
18575445692499952
195032380942945322
2044191451788248416
21389514699013012242
223444925385336301684

[1,1,4,19,116,776,5620,42288,328756,2615104,
 21191904,174303163,1451430692,12211799224,
 103655949072,886568153744,7633233556276,
 66105170315084,575445692499952,5032380942945322,
 44191451788248416,389514699013012242,
 3444925385336301684]