login

A124637 as a simple table

na(n)
01
10
23
34
412
514
642
756
8126
9182
10360
11532
12972
131432
142452
153636
165902
178654
1813560
1919664
2029810
2142714
2263056
2389172
24128716
25179604
26254176
27350284
28487084
29663006
30907866
311221456
321649213
332194634
342925833
353853200
365077908
376622158
388634634
3911157700
4014406370
4118455400

[1,0,3,4,12,14,42,56,126,182,360,532,972,1432,
 2452,3636,5902,8654,13560,19664,29810,42714,63056,
 89172,128716,179604,254176,350284,487084,663006,
 907866,1221456,1649213,2194634,2925833,3853200,
 5077908,6622158,8634634,11157700,14406370,
 18455400]