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A019481 as a simple table

na(n)
04
112
237
3115
4358
51115
63473
710818
833697
9104963
10326950
111018419
123172281
139881362
1430779529
1595875387
16298642966
17930245227
182897627873
199025842914
2028114666161
2187574585651
22272786737286
23849705465187
242646753961545
258244393875250

[4,12,37,115,358,1115,3473,10818,33697,104963,
 326950,1018419,3172281,9881362,30779529,95875387,
 298642966,930245227,2897627873,9025842914,
 28114666161,87574585651,272786737286,849705465187,
 2646753961545,8244393875250]