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A318117 as a simple table

na(n)
01
11
23
310
435
5126
6462
71716
86435
924310
1092378
11352705
121351934
135199117
1420050460
1577512860
16300292131
171165534689
184531337778
1917642948675
2068785126410
21268497991905
221049210943531
234104103226699
2416068342973950
2562963565243876
26246913415221671

[1,1,3,10,35,126,462,1716,6435,24310,92378,352705,
 1351934,5199117,20050460,77512860,300292131,
 1165534689,4531337778,17642948675,68785126410,
 268497991905,1049210943531,4104103226699,
 16068342973950,62963565243876,246913415221671]