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A048559
a(n+1) is next smallest nontrivial square beginning with a(n), initial square is 4.
18
4, 49, 49284, 4928461209, 492846120914204828164, 4928461209142048281644440027571600000000001, 49284612091420482816444400275716000000000017667716927194638935286982918857620344809476
OFFSET
0,1
COMMENTS
Next terms are 171, 342 and 685 digits long.
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, May 15 1999
STATUS
approved