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A021414 as a simple table

na(n)
01
115
2148
31218
49079
563693
6429346
72815296
818097717
9114645531
10718257904
114461736734
1227532164115
13169004094729
141033087293022
156293858904732
1638239893731473
17231823257614487
181402859602945900

[1,15,148,1218,9079,63693,429346,2815296,18097717,
 114645531,718257904,4461736734,27532164115,
 169004094729,1033087293022,6293858904732,
 38239893731473,231823257614487,1402859602945900]