login

A291311 as a simple table

na(n)
01
12
23
35
49
516
627
745
875
9125
10207
11341
12560
13918
141502
152453
164000
176515
1810601
1917235
2028000
2145461
2273773
23119665
24194033
25314519
26509685
27825768
281337612
292166360
303508085
315680122
329196043
3314886981
3424097953
3539005540
3663131935
37102176733
38165362855
39267614381

[1,2,3,5,9,16,27,45,75,125,207,341,560,918,1502,
 2453,4000,6515,10601,17235,28000,45461,73773,
 119665,194033,314519,509685,825768,1337612,
 2166360,3508085,5680122,9196043,14886981,24097953,
 39005540,63131935,102176733,165362855,267614381]