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A254844 as a simple table

na(n)
1794128
21323795
31795490
43986282
57695684
615676281
729838772
855992976
9100413564
10176175692
11297995148
12493162840
13792361276
141249168284
151921781524
162908426536
174313307192
186311925400
199077791868
2012909434532
2118083815180

[794128,1323795,1795490,3986282,7695684,15676281,
 29838772,55992976,100413564,176175692,297995148,
 493162840,792361276,1249168284,1921781524,
 2908426536,4313307192,6311925400,9077791868,
 12909434532,18083815180]