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A048559 as a simple table

na(n)
04
149
249284
34928461209
4492846120914204828164
54928461209142048281644440027571600000000001
649284612091420482816444400275716000000000017667716927194638935286982918857620344809476

[4,49,49284,4928461209,492846120914204828164,
 4928461209142048281644440027571600000000001,
 49284612091420482816444400275716000000000017667716\
 927194638935286982918857620344809476]