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A022381 as a simple table

na(n)
03
115
218
333
451
584
6135
7219
8354
9573
10927
111500
122427
133927
146354
1510281
1616635
1726916
1843551
1970467
20114018
21184485
22298503
23482988
24781491
251264479
262045970
273310449
285356419
298666868
3014023287

[3,15,18,33,51,84,135,219,354,573,927,1500,2427,
 3927,6354,10281,16635,26916,43551,70467,114018,
 184485,298503,482988,781491,1264479,2045970,
 3310449,5356419,8666868,14023287]