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A324768 as a simple table

na(n)
11
21
32
43
56
611
727
860
9152
10376
11968
122492
136549
1417259
1546000
16123214
17332304
18900406
192451999
206703925

[1,1,2,3,6,11,27,60,152,376,968,2492,6549,17259,
 46000,123214,332304,900406,2451999,6703925]