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A000467 as a simple table

na(n)
10
20
30
40
50
61
712
8137
91602
1019710
11257400
123574957
1352785901
14827242933
1513730434111
16240806565782
174452251786946
1886585391630673
191767406549387381
2037790452850585180
21844817788372455779
2219711244788916894489
23479203883157602851294

[0,0,0,0,0,1,12,137,1602,19710,257400,3574957,
 52785901,827242933,13730434111,240806565782,
 4452251786946,86585391630673,1767406549387381,
 37790452850585180,844817788372455779,
 19711244788916894489,479203883157602851294]