login

A131995 as a simple table

na(n)
01
11
22
33
45
56
69
711
816
920
1026
1132
1242
1350
1462
1574
1692
17108
18131
19153
20184
21213
22251
23288
24339
25387
26448
27511
28589
29666
30761
31857
32976
331095
341237
351384
361561
371737
381946
392161
402415
412672
422971
433281
443640
454007
464425
474860
485359
495869
506446
517049
527729
538428

[1,1,2,3,5,6,9,11,16,20,26,32,42,50,62,74,92,108,
 131,153,184,213,251,288,339,387,448,511,589,666,
 761,857,976,1095,1237,1384,1561,1737,1946,2161,
 2415,2672,2971,3281,3640,4007,4425,4860,5359,5869,
 6446,7049,7729,8428]