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A150106 as a simple table

na(n)
01
12
26
319
469
5258
61009
74051
816620
969339
10293485
111255837
125427580
1323650266
14103780197
15458260421
162034519989
179075959960
1840663040317
19182882049074
20825372922736
213736795149850
2216966383950246
2377235724826460
24352445379796634
251611854862549043
267386683542925906
2733915357128568520

[1,2,6,19,69,258,1009,4051,16620,69339,293485,
 1255837,5427580,23650266,103780197,458260421,
 2034519989,9075959960,40663040317,182882049074,
 825372922736,3736795149850,16966383950246,
 77235724826460,352445379796634,1611854862549043,
 7386683542925906,33915357128568520]