A195810 Smallest possible largest number of a 4 by n average array where repetitions are not allowed with diagonals.

1250, 5754, 353073, 14774206, 461490870, 136644951, 302307431550, 6347782194286, 12139568762399, 4159327027119583, 129785024254373690, 58866692131428799, 28110275546239432420

Offset

3,1

Comments

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

Links

Table of n, a(n) for n=3..15.

Erich Friedman, Problem of the month March 1999

Crossrefs

Sequence in context: A231805 A122272 A330650 * A184610 A106322 A035762

Adjacent sequences: A195807 A195808 A195809 * A195811 A195812 A195813

Keyword

nonn

Author

Kausthub Gudipati, Sep 24 2011

Status

approved