OFFSET
0,14
LINKS
Peter J. C. Moses, First 300 rows.
Vladimir Shevelev, On the Basis Polynomials in the Theory of Permutations with Prescribed Up-Down Structure, arXiv|math.CO/0801.0072, 2007-2010. See Appendix.
Vladimir Shevelev, The number of permutations with prescribed up-down structure as a function of two variables, INTEGERS, 12 (2012), #A1.
V. Shevelev and J. Spilker, Up-down coefficients for permutations, Elemente der Mathematik, Vol. 68 (2013), no. 3, 115-127.
EXAMPLE
Triangle begins:
1,
1, -1,
1, 0, -1,
1, -1, 1,
1, 0, 0, -1,
2, 0, -1, 1,
2, -1, 0, 1,
1, -1, 1, -1,
1, 0, 0, 0, -1,
3, 0, 0, -1, 1,
...
CROSSREFS
KEYWORD
sign,tabf,more
AUTHOR
N. J. A. Sloane, Nov 15 2015
EXTENSIONS
More terms from Peter J. C. Moses, Dec 12 2015
STATUS
approved