login

A304915 as a simple table

na(n)
01
12
22
3172
4342
526556
667220
74875160
814125030
9973837420
103087573628
11204536051176
12692771715836
1344412235657176
14158358513025896
159874709152875568
1636706645561910150
172234840966950941260
188601116786415880940
19512801585354912006600
202032977466125710169236

[1,2,2,172,342,26556,67220,4875160,14125030,
 973837420,3087573628,204536051176,692771715836,
 44412235657176,158358513025896,9874709152875568,
 36706645561910150,2234840966950941260,
 8601116786415880940,512801585354912006600,
 2032977466125710169236]