login

A199883 as a simple table

na(n)
11
21
32
44
59
620
748
8113
9262
10591
111263
122505
134764
148479
1514285
1622871
1735316
1852755
1976517
20107826
21148914
22202715
23270622

[1,1,2,4,9,20,48,113,262,591,1263,2505,4764,8479,
 14285,22871,35316,52755,76517,107826,148914,
 202715,270622]