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A368593 as a simple table

na(n)
01
11
22
37
418
578
6220
71043
83090
915402
1047044
11242126
12755076
133973820
1412580344
1567303139
16215511330
171167556434
183772175860
1920640707866
2067167649868
21370510806212
221212836703304
236735128062542
2422156120392276
25123731147310820
26408741630687656
272293595176625340

[1,1,2,7,18,78,220,1043,3090,15402,47044,242126,
 755076,3973820,12580344,67303139,215511330,
 1167556434,3772175860,20640707866,67167649868,
 370510806212,1212836703304,6735128062542,
 22156120392276,123731147310820,408741630687656,
 2293595176625340]