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A249592 as a simple table

na(n)
01
11
26
364
41192
532360
61257880
764644520
84315649600
9360332919360
1036979925855040
114564758983929920
12668857835862650880
13114624254940995404800
1422742780483191398589440
155169745984444274224143360
161335478685859609449305006080
17388956774210908224056394014720

[1,1,6,64,1192,32360,1257880,64644520,4315649600,
 360332919360,36979925855040,4564758983929920,
 668857835862650880,114624254940995404800,
 22742780483191398589440,5169745984444274224143360,
 1335478685859609449305006080,
 388956774210908224056394014720]