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A135264 as a simple table

na(n)
03
112
242
3123
4366
51092
63279
79840
829526
988575
10265722
11797160
122391483
137174452
1421523362
1564570083
16193710246
17581130732
181743392199
195230176600
2015690529806
2147071589415
22141214768242
23423644304720
241270932914163

[3,12,42,123,366,1092,3279,9840,29526,88575,
 265722,797160,2391483,7174452,21523362,64570083,
 193710246,581130732,1743392199,5230176600,
 15690529806,47071589415,141214768242,423644304720,
 1270932914163]