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A211770 a(n) = concatenation of periods of periodic sequences of ending digits of multiples of n. 0
1234567890, 24680, 3692581470, 48260, 50, 62840, 7418529630, 86420, 9876543210, 0, 1234567890, 24680, 3692581470, 48260, 50, 62840, 7418529630, 86420, 9876543210, 0, 1234567890, 24680, 3692581470, 48260, 50, 62840, 7418529630, 86420, 9876543210, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Periodic sequence with period {1234567890, 24680, 3692581470, 48260, 50, 62840, 7418529630, 86420, 9876543210, 0}.

LINKS

Table of n, a(n) for n=1..30.

FORMULA

a(n) = a(10*k + n) for k = 1, 2, 3, …

EXAMPLE

For n = 3; multiples of 3: 3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,…; ending digits: 3,6,9,2,5,8,1,4,7,0,3,6,9,2,…; period: 3,6,9,2,5,8,1,4,7,0; concatenation of period: 3692581470.

CROSSREFS

Sequence in context: A262996 A022250 A344365 * A167461 A135605 A091416

Adjacent sequences:  A211767 A211768 A211769 * A211771 A211772 A211773

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Apr 26 2012

STATUS

approved

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Last modified January 26 03:23 EST 2022. Contains 350572 sequences. (Running on oeis4.)