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A172383 as a simple table

na(n)
01
11
21
32
44
58
619
746
8118
9322
10903
112653
128053
1325194
1481387
15269667
16917529
173197480
1811393821
1941497060
20154186653
21584151512
222254240317
238852998343
2435361762709
25143540660088
26591802631729
272476701062087

[1,1,1,2,4,8,19,46,118,322,903,2653,8053,25194,
 81387,269667,917529,3197480,11393821,41497060,
 154186653,584151512,2254240317,8852998343,
 35361762709,143540660088,591802631729,
 2476701062087]