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A254881 as a simple table

na(n)
01
10
21
31
40
52
65
74
81
90
1012
1140
1251
1331
149
151
160
17144
18564
19904
20769
21376
22106
2316
241
250
262880
2712576
2823300
2924080
3015345
316273
321650
33270
3425
351
360
3786400
38408960
39840216
40991276
41748530
42381065
43133848
4432523
455370
46575
4736
481
490
503628800
5118299520

[1,0,1,1,0,2,5,4,1,0,12,40,51,31,9,1,0,144,564,
 904,769,376,106,16,1,0,2880,12576,23300,24080,
 15345,6273,1650,270,25,1,0,86400,408960,840216,
 991276,748530,381065,133848,32523,5370,575,36,1,0,
 3628800,18299520]