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A036534 Smallest cube containing exactly n 7's. 7
0, 27, 17576, 571787, 5177717, 7797729087, 25750777177, 7707245470777, 744736797077707, 17373777757776999, 77777383297757779, 77077787864771842777, 2717772770751727979277, 74677779777959671778577, 787773477172377877676776, 77227778717777797207914717 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

a(n)^(1/3) = A048372(n) is the index of the first occurrence of n in sequence A269247. - M. F. Hasler, Feb 21 2016

LINKS

Giovanni Resta, Table of n, a(n) for n = 0..22

FORMULA

a(n) = A048372(n)^3. - M. F. Hasler, Feb 21 2016

CROSSREFS

Cf. A048372, A036527 - A036536 for other digits 0 - 9.

Analog for squares: A036514 = A048352^2.

Sequence in context: A001321 A263601 A111415 * A167731 A201369 A036529

Adjacent sequences:  A036531 A036532 A036533 * A036535 A036536 A036537

KEYWORD

nonn,base

AUTHOR

David W. Wilson

EXTENSIONS

Extended with a(0) = 0 by M. F. Hasler, Feb 21 2016

a(11)-a(15) from Giovanni Resta, Jun 29 2018

STATUS

approved

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Last modified October 18 00:51 EDT 2019. Contains 328135 sequences. (Running on oeis4.)