login

A271821 as a simple table

na(n)
13
24
35
46
510
623
730
833
964
10189
11207
12213
13463
14547
151225
161795
173726
183947
194989
205226
219825
2211489
2312666
2414512
2519588
2628795
2729903
2831889
2971357

[3,4,5,6,10,23,30,33,64,189,207,213,463,547,1225,
 1795,3726,3947,4989,5226,9825,11489,12666,14512,
 19588,28795,29903,31889,71357]