A195755 Smallest possible largest number in a 5 by n average array where repetitions are not allowed without diagonals.

26, 269, 960, 417, 5502, 4276501, 50446504, 92694437, 42601245, 74269856053, 3914071518, 78122151013, 981143881088, 176981282511

Offset

2,1

Comments

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

Links

Table of n, a(n) for n=2..15.

Erich Friedman, Problem of the month March 1999

Crossrefs

Sequence in context: A092723 A187695 A328874 * A186261 A006045 A022686

Adjacent sequences: A195752 A195753 A195754 * A195756 A195757 A195758

Keyword

nonn

Author

Kausthub Gudipati, Sep 23 2011

Status

approved