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A080481 Concatenation of next n numbers (a(1) = 0). 4
0, 12, 345, 6789, 1011121314, 151617181920, 21222324252627, 2829303132333435, 363738394041424344, 45464748495051525354, 5556575859606162636465, 666768697071727374757677, 78798081828384858687888990 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) is a multiple of 3.

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

Cf. A080482, A080483, A080484.

Sequence in context: A027015 A024297 A077296 * A209425 A171206 A219407

Adjacent sequences:  A080478 A080479 A080480 * A080482 A080483 A080484

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Mar 11 2003

EXTENSIONS

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003

STATUS

approved

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Last modified June 17 18:04 EDT 2019. Contains 324198 sequences. (Running on oeis4.)