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A247662 as a simple table

na(n)
01
11
23
36
412
521
637
760
899
9156
10244
11371
12561
13829
141218
151763
162532
173594
185068
197075
209819

[1,1,3,6,12,21,37,60,99,156,244,371,561,829,1218,
 1763,2532,3594,5068,7075,9819]