login

A206557 as a simple table

na(n)
10
20
30
40
50
60
71
80
91
101
112
122
134
145
157
169
1713
1816
1923
2028
2139
2248
2364
2479
25104
26128
27165
28204
29258
30317
31399
32487
33606
34739
35912
361105
371356
381637
391994
402400
412906
423485
434199
445016
456015
467164
478553
4810151
4912076
5014286
5116930
5219974
5323588
5427749

[0,0,0,0,0,0,1,0,1,1,2,2,4,5,7,9,13,16,23,28,39,
 48,64,79,104,128,165,204,258,317,399,487,606,739,
 912,1105,1356,1637,1994,2400,2906,3485,4199,5016,
 6015,7164,8553,10151,12076,14286,16930,19974,
 23588,27749]