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A055419 as a simple table

na(n)
01
15
217
354
4165
5482
61319
73390
88262
919250
1043154
1193601
12197381
13406200
14817954
151614348
163126068
175943728
1811103912
1920396957
2036869790
2165637607
22115178814
23199377387
24340708159
25575150851
26959691775
271583660542

[1,5,17,54,165,482,1319,3390,8262,19250,43154,
 93601,197381,406200,817954,1614348,3126068,
 5943728,11103912,20396957,36869790,65637607,
 115178814,199377387,340708159,575150851,959691775,
 1583660542]