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A008491 as a simple table

na(n)
01
19
245
3165
4495
51287
63003
76435
812870
924309
1043749
1175537
12125805
13202995
14318483
15487311
16729036
171068705
181537965
192176317
203032523
214166175
225649435
237568955
2410027986
2513148685
2617074629
2721973545
2828040265
2935499915
3044611347
3155670823
3269015960

[1,9,45,165,495,1287,3003,6435,12870,24309,43749,
 75537,125805,202995,318483,487311,729036,1068705,
 1537965,2176317,3032523,4166175,5649435,7568955,
 10027986,13148685,17074629,21973545,28040265,
 35499915,44611347,55670823,69015960]