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A371217 as a simple table

na(n)
11
24
315
452
5197
6896
74987
833216
9257161
102262124
1122241671
12241476060
132867551117
1436960108680
15513753523571
167659705147976
17121918431264273
182063255678027668
1936991535865656959
20700377953116334788
2113963866589144933461
22292421219327021540176
236417047546280200867819

[1,4,15,52,197,896,4987,33216,257161,2262124,
 22241671,241476060,2867551117,36960108680,
 513753523571,7659705147976,121918431264273,
 2063255678027668,36991535865656959,
 700377953116334788,13963866589144933461,
 292421219327021540176,6417047546280200867819]