login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A207492 as a simple table

na(n)
135
21225
32233
411306
539050
689417
7268275
8667760
91691526
104324858
1110910668
1228038606
1371784122
14186198243
15482642047
161259170885
173300248079
188616047712
1922660486326
2059449698479
21156019165327
22410863919802
231077513243234

[35,1225,2233,11306,39050,89417,268275,667760,
 1691526,4324858,10910668,28038606,71784122,
 186198243,482642047,1259170885,3300248079,
 8616047712,22660486326,59449698479,156019165327,
 410863919802,1077513243234]