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A041221 as a simple table

na(n)
01
122
2485
310692
4235709
55196290
6114554089
72525386248
855673051545
91227332520238
1027056988496781
11596481079449420
1213149640736384021
13289888577279897882
146390698340894137425
15140885252076950921232
163105866244033814404529
1768469942620820867820870

[1,22,485,10692,235709,5196290,114554089,
 2525386248,55673051545,1227332520238,
 27056988496781,596481079449420,13149640736384021,
 289888577279897882,6390698340894137425,
 140885252076950921232,3105866244033814404529,
 68469942620820867820870]