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%I #10 Nov 24 2018 01:32:43
%S 1,1,1,1,1,2,2,1,1,3,5,6,5,2,1,4,9,15,20,22,19,11,1,5,14,29,49,71,90,
%T 100,96,76,42,1,6,20,49,98,169,259,359,454,525,553,524,433,286,100
%N Irregular triangle read by rows: row n (n >= 1) gives entries of the g-vector for [n]!.
%H Charles Brittenham, Andrew T. Carroll, T. Kyle Petersen, Connor Thomas, <a href="http://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i2p40">Unimodality via Alternating Gamma Vectors</a>, Electron. J. Combin., Volume 23, Issue 2 (2016), Paper #P2.40.
%e Triangle begins:
%e 1;
%e 1;
%e 1, 1;
%e 1, 2, 2, 1;
%e 1, 3, 5, 6, 5, 2;
%e 1, 4, 9, 15, 20, 22, 19, 11;
%e 1, 5, 14, 29, 49, 71, 90, 100, 96, 76, 42;
%e 1, 6, 20, 49, 98, 169, 259, 359, 454, 525, 553, 524, 433, 286, 100;
%e ...
%K nonn,tabf
%O 1,6
%A _N. J. A. Sloane_, May 27 2016
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