A201064 Repdigit numbers such that both the sum and product of the digits is also a repdigit.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 111, 222, 1111, 11111, 111111, 1111111, 11111111, 111111111, 11111111111, 1111111111111111111111, 111111111111111111111111111111111, 11111111111111111111111111111111111111111111, 1111111111111111111111111111111111111111111111111111111

Offset

1,3

Comments

a(n) = intersection (A201060, A201061).

Links

Table of n, a(n) for n=1..26.

Example

Number 222 is in sequence because 2*2*2=8, 2+2+2=6; numbers 6 and 8 are both repdigit numbers.

Crossrefs

Cf. A201060 (repdigit numbers with repdigit digital product). A201061 (repdigit numbers with repdigit digital sum).

Sequence in context: A266280 A250412 A201060 * A103357 A055931 A250411

Adjacent sequences: A201061 A201062 A201063 * A201065 A201066 A201067

Keyword

nonn,base

Author

Jaroslav Krizek, Nov 26 2011

Status

approved