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A052093 a(n)^4 is the smallest fourth power whose decimal expansion digits occur with same frequency n. 4
0, 207, 130398, 5694207, 426424828, 562379596107 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Terms calculated by Jeff Heleen.

LINKS

Table of n, a(n) for n=1..6.

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

EXAMPLE

207^4 = 1836036801 and digits 0,1,3,6 and 8 each occur twice.

CROSSREFS

Cf. A052094, A052069, A052071.

Sequence in context: A204868 A223650 A232346 * A103477 A080531 A123136

Adjacent sequences:  A052090 A052091 A052092 * A052094 A052095 A052096

KEYWORD

nonn,base,hard

AUTHOR

Patrick De Geest, Jan 15 2000

EXTENSIONS

Offset corrected by Michel Marcus, Aug 12 2015

STATUS

approved

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