login

A153988 as a simple table

na(n)
01
11
22
32
42
54
67
77
819
930
1041
11111
12242
13341
141198
152798
165288
1719451
1858386
19113037
20552176
211717743
224407296
2322107632
2491701868
25243757707
261626825070
276947686128
2824465641567
29168345671664
30954487204861
313466462776895

[1,1,2,2,2,4,7,7,19,30,41,111,242,341,1198,2798,
 5288,19451,58386,113037,552176,1717743,4407296,
 22107632,91701868,243757707,1626825070,6947686128,
 24465641567,168345671664,954487204861,
 3466462776895]