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A301604 as a simple table

na(n)
11
23
38
425
565
6226
7755
82539
98794
1030539
11106401
12371492
131298761
144544515
1515909548
1655710973
17195119181
18683443550
192394043807
208386437959
2129378680446
22102918338575
23360542635085
241263055770396
254424759215289
2615500920405007

[1,3,8,25,65,226,755,2539,8794,30539,106401,
 371492,1298761,4544515,15909548,55710973,
 195119181,683443550,2394043807,8386437959,
 29378680446,102918338575,360542635085,
 1263055770396,4424759215289,15500920405007]