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A195678 Smallest possible largest element of a 4 by n average array where repetitions are allowed with diagonals. 4

%I #11 Aug 13 2020 14:02:28

%S 64,115,1217,1477206,96672,136644591,3640452,6347782194286,72339267,

%T 4159327027119583,5595833084,58866692131428799,216432682702

%N Smallest possible largest element of a 4 by n average array where repetitions are allowed with diagonals.

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

%H Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/0399.html">Problem of the month March 1999</a>

%K nonn

%O 3,1

%A _Kausthub Gudipati_, Sep 24 2011

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)