login

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

A042807 as a simple table

na(n)
01
11
22
37
49
516
657
71726
85235
96961
1012196
1143549
1255745
1399294
146013385
156112679
1612126064
1742490871
1854616935
1997107806
20345940353
2110475318396
2231771895541
2342247213937
2474019109478
25264304542371
26338323651849
27602628194220
2836496015305049

[1,1,2,7,9,16,57,1726,5235,6961,12196,43549,55745,
 99294,6013385,6112679,12126064,42490871,54616935,
 97107806,345940353,10475318396,31771895541,
 42247213937,74019109478,264304542371,338323651849,
 602628194220,36496015305049]