login

A349088 as a simple table

na(n)
00
11
22
36
425
5125
6750
75251
842008
9378072
103780721
1141587931
12499055172
136487717237
1490828041318
151362420619770
1621798729916321
17370578408577457
186670411354394226
19126737815733490295
202534756314669805900
2153229882608065923900
221171057417377450325801

[0,1,2,6,25,125,750,5251,42008,378072,3780721,
 41587931,499055172,6487717237,90828041318,
 1362420619770,21798729916321,370578408577457,
 6670411354394226,126737815733490295,
 2534756314669805900,53229882608065923900,
 1171057417377450325801]