A036530 Smallest cube containing exactly n 3's.

0, 4913, 343, 5735339, 108531333, 353393243, 333533450375, 3707322336333, 86333306433373, 153712433903333733, 333343033492332032, 8343304933332333329, 433134325352337333353, 33435346723033333302433, 243513939323833732333333, 33393753313938361233336383

Offset

0,2

Comments

a(n)^(1/3) = A048368(n) is the index of the first occurrence of n in sequence A269243. - M. F. Hasler, Feb 21 2016

Links

Giovanni Resta, Table of n, a(n) for n = 0..23

Formula

a(n) = A048368(n)^3. - M. F. Hasler, Feb 21 2016

Mathematica

Table[SelectFirst[Range[2100000]^3, DigitCount[#, 10, 3]==n&], {n, 11}] (* The program uses the SelectFirst function from Mathematica version 10 *) (* Harvey P. Dale, Oct 24 2015 *)

Crossrefs

Cf. A048368, A036527, A036528, A036529, A036531, A036532, A036533, A036534, A036535, A036536.

Sequence in context: A031634 A250908 A179144 * A088069 A283034 A114770

Adjacent sequences: A036527 A036528 A036529 * A036531 A036532 A036533

Keyword

nonn,base

Author

David W. Wilson

Extensions

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

a(12)-a(15) from Giovanni Resta, Jun 29 2018

Status

approved