A052097 - OEIS

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A052097

a(n)^2 is a square whose decimal expansion digits occur with an exact frequency of 4.

31646191, 33228821, 33333003, 34468078, 34528437, 34597630, 35229568, 36920414, 37605474, 39693346, 41508061, 43076539, 43109691, 43485609, 43529521, 44147309, 44294056, 45455649, 45460011, 45460110, 45961010

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Last term is 99999444387327303945. - Giovanni Resta, Mar 21 2013

LINKS

Table of n, a(n) for n=1..21.

P. De Geest, Numbers whose digits occur with same frequency

EXAMPLE

33228821 is in the sequence because 33228821^2 = 1104154545050041, in which each digit is repeated 4 times.

CROSSREFS

Cf. A052098, A052095, A052096, A052049.