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A192626 as a simple table

na(n)
01
14
212
336
4100
5264
6676
71684
84096
99764
1022888
1152872
12120540
13271600
14605556
151337320
162927720
176358432
1813707916
1929351536
2062450468
21132090356
22277845120
23581405140
241210688864
252509483020
265178969644
2710644112012
2821790816340
2944444609044

[1,4,12,36,100,264,676,1684,4096,9764,22888,52872,
 120540,271600,605556,1337320,2927720,6358432,
 13707916,29351536,62450468,132090356,277845120,
 581405140,1210688864,2509483020,5178969644,
 10644112012,21790816340,44444609044]