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A030898 as a simple table

na(n)
11
22
36
426
5134
6809
75669
845353
9408184
104081844
1144900294
12538803530
137004445892
1498062242500
151470933637503
1623534938200055
17400093949400940
187201691089216926
19136832130695121608
202736642613902432167

[1,2,6,26,134,809,5669,45353,408184,4081844,
 44900294,538803530,7004445892,98062242500,
 1470933637503,23534938200055,400093949400940,
 7201691089216926,136832130695121608,
 2736642613902432167]