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A205971 as a simple table

na(n)
01
14
24
38
460
5120
632
7416
81092
9136
101320
114272
122880
1313048
1412064
1514640
16114492
17114984
1810336
19334480
20811800
21350272
22850128
232751072
242411136
259303100
266798008
27785672
2850849760
2961707480
3019968960
31172322432
32531507396
33169179744
34410607864

[1,4,4,8,60,120,32,416,1092,136,1320,4272,2880,
 13048,12064,14640,114492,114984,10336,334480,
 811800,350272,850128,2751072,2411136,9303100,
 6798008,785672,50849760,61707480,19968960,
 172322432,531507396,169179744,410607864]