A052083 a(n)^3 is a cube whose decimal expansion's digits are grouped together.

0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 27, 29, 30, 32, 35, 38, 40, 41, 42, 45, 46, 48, 49, 50, 53, 55, 59, 60, 61, 63, 66, 69, 71, 73, 75, 76, 80, 82, 84, 88, 90, 93, 96, 97, 100, 107, 113, 120, 124, 126, 129, 130, 131, 132, 135, 140

Offset

1,3

Links

Table of n, a(n) for n=1..68.

Example

81 is not a term because in 81^3 = 531441 the two digits 1 are separated by the two 4's.
15 is a term because in 15^3 = 3375 the digits 3, 7 and 5 are grouped.

Crossrefs

Cf. A052084, A052085, A052086, A052081, A052082.

Sequence in context: A129143 A039225 A348579 * A192188 A039268 A039162

Adjacent sequences: A052080 A052081 A052082 * A052084 A052085 A052086

Keyword

nonn,base

Author

Patrick De Geest, Jan 15 2000

Extensions

Edited, and offset changed to 1, by Jon E. Schoenfield, Oct 17 2019

Status

approved