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A306724 as a simple table

na(n)
12
214
33
4170
53570
6592922491
717194752239
8498892319051
914467877252479
10421652049419104
1112227909433154016
12377536703748630244
13926952707565364023467
141485824943636552705389704010031591742370238670767627108613
1518031470774665264926975299618474551942701594055200456829621877
16219559123426400144842876467461078524942414020727022446946702813568

[2,14,3,170,3570,592922491,17194752239,
 498892319051,14467877252479,421652049419104,
 12227909433154016,377536703748630244,
 926952707565364023467,
 14858249436365527053897040100315917423702386707676\
 27108613,
 18031470774665264926975299618474551942701594055200\
 456829621877,
 21955912342640014484287646746107852494241402072702\
 2446946702813568]