login

A007812 as a simple table

na(n)
10
21
33
42
56
617
733
856
972
1088
11114
12140
13160
14190
15211
16250
17290
18322
19356
20404
21438
22474
23530
24580
25626
26682
27728

[0,1,3,2,6,17,33,56,72,88,114,140,160,190,211,250,
 290,322,356,404,438,474,530,580,626,682,728]