login

A053618 as a simple table

na(n)
10
20
30
41
51
63
75
89
914
1021
1130
1242
1355
1472
1591
16114
17140
18170
19204
20243
21285
22333
23385
24443
25506
26575
27650
28732
29819
30914
311015
321124
331240
341364
351496
361637
371785
381943
392109
402285
412470
422665
432870
443086
453311
463548
473795
484054
494324

[0,0,0,1,1,3,5,9,14,21,30,42,55,72,91,114,140,170,
 204,243,285,333,385,443,506,575,650,732,819,914,
 1015,1124,1240,1364,1496,1637,1785,1943,2109,2285,
 2470,2665,2870,3086,3311,3548,3795,4054,4324]