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A264615 as a simple table

na(n)
11
21
31
41
57
61
722
825
91
1050
11333
121
1395
141851
151893
161
17161
186839
1939079
201
21252
2219782
23323580
24301505
251
26372
2748510
281706180
298566857
301
31525
32105546
336792650
3495942613
3582953225
361
37715
38209682
3922248446
40668057885
413025374471
421
43946
44387783
4563055388
463435912383
4743154349714
4835095900185

[1,1,1,1,7,1,22,25,1,50,333,1,95,1851,1893,1,161,
 6839,39079,1,252,19782,323580,301505,1,372,48510,
 1706180,8566857,1,525,105546,6792650,95942613,
 82953225,1,715,209682,22248446,668057885,
 3025374471,1,946,387783,63055388,3435912383,
 43154349714,35095900185]