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A007985 as a simple table

na(n)
12
22
36
422
558
6146
7414
81206
93410
109634
1127670
1279926
13230666
14667058
151936174
165632662
1716408866
1847875650
19139908774
20409404630
211199368026
223517351890
2310325547582
2430339113718
2589217594738
26262561101282
27773248631222
282278737199606

[2,2,6,22,58,146,414,1206,3410,9634,27670,79926,
 230666,667058,1936174,5632662,16408866,47875650,
 139908774,409404630,1199368026,3517351890,
 10325547582,30339113718,89217594738,262561101282,
 773248631222,2278737199606]