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A067473
Smallest n-digit square starting with 3.
2
36, 324, 3025, 30276, 300304, 3003289, 30008484, 300017041, 3000081529, 30000318436, 300000484729, 3000000666601, 30000004655076, 300000032019081, 3000000027329536, 30000000084216561, 300000000542063364
OFFSET
2,1
FORMULA
a(n) = ceiling(sqrt(3*10^(n-1)))^2, n>1. - Rick L. Shepherd, Feb 14 2002
PROG
(PARI) for(n=2, 25, a=ceil(sqrt(3*10^(n-1)))^2; print(a))
CROSSREFS
Cf. A035070 (roots), A045786, A067479 (2..9).
Sequence in context: A017594 A014800 A213124 * A223299 A068075 A219004
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Feb 09 2002
EXTENSIONS
More terms from Rick L. Shepherd, Feb 14 2002
STATUS
approved