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A027849 as a simple table

na(n)
01
120
287
3232
4485
5876
61435
72192
83177
94420
105951
117800
129997
1312572
1415555
1518976
1622865
1727252
1832167
1937640
2043701
2150380
2257707
2365712
2474425
2583876
2694095
27105112
28116957
29129660
30143251

[1,20,87,232,485,876,1435,2192,3177,4420,5951,
 7800,9997,12572,15555,18976,22865,27252,32167,
 37640,43701,50380,57707,65712,74425,83876,94095,
 105112,116957,129660,143251]