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A052069 a(n)^2 is the smallest square whose digits occur with the same frequency n. 6
0, 88, 10011, 31646191, 16431563, 667567716, 10715008859, 652246443112, 15647628653832 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..9.

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

EXAMPLE

E.g., 31646191^2 = 1001481404808481 and its digits 0, 1, 4 and 8 each occur four times.

CROSSREFS

Cf. A052070, A045540, A052046, A052049, A052050, A052071.

Sequence in context: A188762 A188991 A189201 * A174499 A048919 A159718

Adjacent sequences:  A052066 A052067 A052068 * A052070 A052071 A052072

KEYWORD

nonn,base,more,nice

AUTHOR

Patrick De Geest, Jan 15 2000

EXTENSIONS

2 more terms from Jon E. Schoenfield, Aug 18 2007

STATUS

approved

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Last modified September 24 04:27 EDT 2017. Contains 292403 sequences.