A166187 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A166187

Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 15.

%I #5 Apr 23 2021 11:30:40

%S 1,16,816,70308,69652946,300342814211

%N Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 15.

%K nonn

%O 0,2

%A _R. H. Hardin_ Oct 09 2009