A201060 - OEIS

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A201060

Repdigit numbers with repdigit digital product.

2

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 111, 222, 1111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111, 111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111, 11111111111111111, 111111111111111111, 1111111111111111111

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

COMMENTS

Conjecture: a(n) is repunit for n >= 16.

LINKS

Table of n, a(n) for n=1..31.

CROSSREFS

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

A201064 (repdigit numbers with repdigit digital sum and product).

Sequence in context: A083115 A266280 A250412 * A201064 A103357 A055931

Adjacent sequences: A201057 A201058 A201059 * A201061 A201062 A201063

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Nov 26 2011

EXTENSIONS

Corrected and extended by Jaroslav Krizek.

STATUS

approved