login

A228960 as a simple table

na(n)
11
21
34
417
551
6136
7393
81233
93865
1011851
1136301
12112520
13351352
141098189
153433704
1610758609
1733794505
18106344793
19335061790
201056924667
213338026857
2210554163533
2333402840615
24105809430024
25335444908176
261064268538776
273379009937161
2810735253448349
2934127137228747

[1,1,4,17,51,136,393,1233,3865,11851,36301,112520,
 351352,1098189,3433704,10758609,33794505,
 106344793,335061790,1056924667,3338026857,
 10554163533,33402840615,105809430024,335444908176,
 1064268538776,3379009937161,10735253448349,
 34127137228747]