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A234136 as a simple table

na(n)
1512
2680
3968
41640
52984
66440
714120
835624
986312
10236840
11602408
121726760
134497704
1413185320
1534750760
16103047464
17273187112
18814793000
192166423848
206480298280
2117255498024
2251690799400
23137741205800
24412921233704

[512,680,968,1640,2984,6440,14120,35624,86312,
 236840,602408,1726760,4497704,13185320,34750760,
 103047464,273187112,814793000,2166423848,
 6480298280,17255498024,51690799400,137741205800,
 412921233704]