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A106567 as a simple table

na(n)
00
14
220
3116
4660
53764
621460
7122356
8697620
93977524
1022678100
11129300596
12737215380
134203279284
1423965257940
15136639406836
16779058065940
174441847957044
1825325472048980
19144394752073076
20823275648561300
214693957251098804
2226762888849739220

[0,4,20,116,660,3764,21460,122356,697620,3977524,
 22678100,129300596,737215380,4203279284,
 23965257940,136639406836,779058065940,
 4441847957044,25325472048980,144394752073076,
 823275648561300,4693957251098804,
 26762888849739220]