login

A280473 as a simple table

na(n)
01
11
23
36
412
521
643
770
8127
9215
10364
11591
12989
131562
142515
153954
166194
179538
1814754
1922349
2033926
2150910
2276102
23112721
24166747
25244205
26356984
27518344
28749924
291078711
301547668
312207418
323140135
334446572
346276657
358823776
3612371487
3717275879
3824061878

[1,1,3,6,12,21,43,70,127,215,364,591,989,1562,
 2515,3954,6194,9538,14754,22349,33926,50910,76102,
 112721,166747,244205,356984,518344,749924,1078711,
 1547668,2207418,3140135,4446572,6276657,8823776,
 12371487,17275879,24061878]