login

A153317 as a simple table

na(n)
01
110
221
3220
4461
54830
610121
7106040
8222201
92328050
104878301
1151111060
12107100421
131122115270
142351330961
1524635424880
1651622180721
17540857232090
181133336644901
1911874223681100

[1,10,21,220,461,4830,10121,106040,222201,2328050,
 4878301,51111060,107100421,1122115270,2351330961,
 24635424880,51622180721,540857232090,
 1133336644901,11874223681100]