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A212475 as a simple table

na(n)
1246
25211
393308
41581686
526242268
6430682205
77023308036
8114062278982
91847205725100
1029854017540652
11481755564098784
127764949351300178
13125039067197089316
142011992600375317822
1532354843213417739992

[246,5211,93308,1581686,26242268,430682205,
 7023308036,114062278982,1847205725100,
 29854017540652,481755564098784,7764949351300178,
 125039067197089316,2011992600375317822,
 32354843213417739992]