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A187312 as a simple table

na(n)
171836
23029032
3125103786
45243407780
5219684364642
69206325629324
7385878307185440
816174152113717987
9677941845846382141
1028416164592526303012
111191073362353254969342
1249924255054152257493562

[71836,3029032,125103786,5243407780,219684364642,
 9206325629324,385878307185440,16174152113717987,
 677941845846382141,28416164592526303012,
 1191073362353254969342,49924255054152257493562]