login

A280200 as a simple table

na(n)
01
10
20
31
40
51
61
71
82
92
103
114
125
137
149
1511
1616
1721
1826
1937
2047
2161
2284
23108
24143
25191
26249
27331
28437
29575
30763
311004
321326
331754
342311
353055
364036
375323
387033
399288
4012257
4116193
4221379
4328223
4437278
4549212
4664984
4785815
48113297
49149614
50197551
51260839
52344439
53454795
54600517
55792958
561047023
571382519
581825533
592410456
603182845

[1,0,0,1,0,1,1,1,2,2,3,4,5,7,9,11,16,21,26,37,47,
 61,84,108,143,191,249,331,437,575,763,1004,1326,
 1754,2311,3055,4036,5323,7033,9288,12257,16193,
 21379,28223,37278,49212,64984,85815,113297,149614,
 197551,260839,344439,454795,600517,792958,1047023,
 1382519,1825533,2410456,3182845]