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A042982 as a simple table

na(n)
10
21
30
41
52
62
75
88
913
1027
1145
1285
13160
14288
15550
161024
171920
183654
196885
2013107
2124989
2247616
2391225
24174760
25335462
26645435
271242600
282396745
294628480
308947294
3117318945
3233554432
3365074253
34126324495
35245424829
36477218560
37928645120
381808400384
393524082400
406871947672
4113408665600
4226178873147

[0,1,0,1,2,2,5,8,13,27,45,85,160,288,550,1024,
 1920,3654,6885,13107,24989,47616,91225,174760,
 335462,645435,1242600,2396745,4628480,8947294,
 17318945,33554432,65074253,126324495,245424829,
 477218560,928645120,1808400384,3524082400,
 6871947672,13408665600,26178873147]