login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A195751 Smallest possible largest element in an 8 by n average array where repetitions are allowed without diagonals. 0
98, 298, 15004, 39608, 74283746, 4667448, 471247, 31057338, 79885513801295, 58727863626, 1157365463811298 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Here, an average array is an array with positive integers such that every number in that array is the average of its horizontally and vertically adjacent cells.

LINKS

Table of n, a(n) for n=2..12.

Erich Friedman, Problem of the month March 1999

CROSSREFS

Sequence in context: A203084 A202378 A202371 * A072607 A306214 A160828

Adjacent sequences:  A195748 A195749 A195750 * A195752 A195753 A195754

KEYWORD

nonn

AUTHOR

Kausthub Gudipati, Sep 23 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 24 20:34 EST 2020. Contains 338616 sequences. (Running on oeis4.)