login

A131524 as a simple table

na(n)
10
20
31
41
52
62
74
84
97
107
1112
1212
1320
1420
1533
1633
1754
1854
1988
2088
21143
22143
23232
24232
25376
26376
27609
28609
29986
30986
311596
321596
332583
342583
354180
364180
376764
386764
3910945
4010945
4117710
4217710
4328656
4428656
4546367
4646367
4775024
4875024
49121392
50121392

[0,0,1,1,2,2,4,4,7,7,12,12,20,20,33,33,54,54,88,
 88,143,143,232,232,376,376,609,609,986,986,1596,
 1596,2583,2583,4180,4180,6764,6764,10945,10945,
 17710,17710,28656,28656,46367,46367,75024,75024,
 121392,121392]