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A196906 as a simple table

na(n)
12
26
313
434
581
6199
7487
81190
92910
107115
1117398
1242539
13104013
14254325
15621854
161520506
173717817
189090502
1922227349
2054348491
21132888475
22324928002
23794487306
241942615215
254749923434
2611614123295
2728397901945
2869436221265
29169779754602

[2,6,13,34,81,199,487,1190,2910,7115,17398,42539,
 104013,254325,621854,1520506,3717817,9090502,
 22227349,54348491,132888475,324928002,794487306,
 1942615215,4749923434,11614123295,28397901945,
 69436221265,169779754602]