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A337039 as a simple table

na(n)
01
10
23
39
454
5351
62673
722842
8216513
92248965
1025351704
11307699965
123995419365
1355207193328
14808078734999
1512480510487509
16202697232446070
173451417004044323
1861450890989472837
191141331486235356178
2022066085726516137149
21443236553318792110113
229233934519951699602400

[1,0,3,9,54,351,2673,22842,216513,2248965,
 25351704,307699965,3995419365,55207193328,
 808078734999,12480510487509,202697232446070,
 3451417004044323,61450890989472837,
 1141331486235356178,22066085726516137149,
 443236553318792110113,9233934519951699602400]