login

A026590 as a simple table

na(n)
01
11
25
319
469
5341
61203
76336
822593
9121483
10438533
112381512
128677763
1347419503
14173984792
15954961034
163522101709
1719397198595
1871831252031
19396646918211
201473610012405
218154682794333
2230376120747792
23168394714422722
24628648474795879
253490216221862041
2613053833414221023
2772566287730964469

[1,1,5,19,69,341,1203,6336,22593,121483,438533,
 2381512,8677763,47419503,173984792,954961034,
 3522101709,19397198595,71831252031,396646918211,
 1473610012405,8154682794333,30376120747792,
 168394714422722,628648474795879,3490216221862041,
 13053833414221023,72566287730964469]