login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A121327 as a simple table

na(n)
40
51
64
717
856
9187
10586
111827
125562
1316811
1450225
15149135
16439818
171290975
183772259
1910983684
2031878940
2192278466
22266481212
23767972142
242209210615
256345086203

[0,1,4,17,56,187,586,1827,5562,16811,50225,149135,
 439818,1290975,3772259,10983684,31878940,92278466,
 266481212,767972142,2209210615,6345086203]