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A163597 The smallest pronic (A002378) that contains the digits of n in its exact middle. 0
0, 110, 2, 132, 240, 156, 6, 272, 182, 992, 141000, 5112, 12, 221370, 7140, 241572, 2162, 141752, 111890, 1190, 20, 122150, 192282, 222312, 152490, 2256, 1260, 102720, 122850, 4290, 30, 7310, 6320, 1332, 173472, 2352, 163620, 8372, 203852 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

"Exact middle" means that the counts of digits of the pronic to the left and to the right of the digits of n are the same.

LINKS

Table of n, a(n) for n=0..38.

EXAMPLE

a(22) = 192282 = 19//22//82 = A002378(438) is the smallest pronic which displays 22 in the middle.

CROSSREFS

Sequence in context: A281629 A278754 A266301 * A266606 A308003 A288057

Adjacent sequences:  A163594 A163595 A163596 * A163598 A163599 A163600

KEYWORD

nonn,base

AUTHOR

Claudio Meller, Aug 01 2009

EXTENSIONS

Keyword:base added by R. J. Mathar, Aug 11 2009

STATUS

approved

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Last modified August 7 23:50 EDT 2022. Contains 355995 sequences. (Running on oeis4.)