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A207259 as a simple table

na(n)
114
2148
3642
41832
54246
68420
715202
825296
939742
1059668
1186338
12120840
13165174
14220356
15288322
16370816
17470254
18587940
19726994
20888728
211076422
221292404
231539442
241819440
252136734
262493700
272893586
283339544
293835782
304384036
314990466
325656752
336388158

[14,148,642,1832,4246,8420,15202,25296,39742,
 59668,86338,120840,165174,220356,288322,370816,
 470254,587940,726994,888728,1076422,1292404,
 1539442,1819440,2136734,2493700,2893586,3339544,
 3835782,4384036,4990466,5656752,6388158]