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A278936 Cubes whose largest decimal digit is 3. 7
1331, 1030301, 1331000, 1003003001, 1030301000, 1331000000, 1000300030001, 1003003001000, 1030301000000, 1331000000000, 1000030000300001, 1000300030001000, 1003003001000000, 1030301000000000, 1331000000000000, 321302302131323213, 1000003000003000001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

FORMULA

a(n) = A278937(n)^3.

EXAMPLE

321302302131323213 is in the sequence because 321302302131323213 = 684917^3 and its largest digit is 3.

MATHEMATICA

Select[Range[1000010]^3, Max[IntegerDigits[#]]==3&] (* Harvey P. Dale, Feb 09 2019 *)

PROG

(PARI) select(n->vecmax(digits(n))==3, vector(1000000, n, n^3))

(MAGMA) [n^3: n in [1..2*10^7] | Max(Intseq(n^3)) eq 3]; // Bruno Berselli, Dec 02 2016

CROSSREFS

Cf. A000578, A277947 (same for squares), A278937 (the cube roots).

Sequence in context: A122659 A226716 A076443 * A263613 A052076 A013795

Adjacent sequences:  A278933 A278934 A278935 * A278937 A278938 A278939

KEYWORD

nonn,base

AUTHOR

Colin Barker, Dec 02 2016

STATUS

approved

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Last modified February 22 08:33 EST 2020. Contains 332132 sequences. (Running on oeis4.)