login

A042979 as a simple table

na(n)
10
20
31
40
52
62
74
88
913
1024
1148
1280
13160
14288
15541
161024
171920
183626
196912
2013056
2124989
2247616
2391136
24174760
25335462
26645120
271242904
282396160
294628480
308947294
3117317888
3233554432
3365074253
34126320640
35245428574
36477211280
37928645120
381808400384
393524068955
406871947672
4113408665600
4226178823218

[0,0,1,0,2,2,4,8,13,24,48,80,160,288,541,1024,
 1920,3626,6912,13056,24989,47616,91136,174760,
 335462,645120,1242904,2396160,4628480,8947294,
 17317888,33554432,65074253,126320640,245428574,
 477211280,928645120,1808400384,3524068955,
 6871947672,13408665600,26178823218]