login
A140878
Nonzero entries in the array on page 8 of the reference.
0
1, 1, 1, 2, 3, 1, 1, 5, 11, 19, 10, 2, 1, 9, 37, 85, 158, 103, 35, 5, 1, 14, 87, 332, 782, 1521, 1126, 499, 126, 14, 1, 20, 172, 911, 3343, 8004, 16056, 12941, 6765, 2296, 462, 42, 1, 27, 305, 2096, 10147, 36350, 88044, 180621, 154750, 90781, 37178, 10254, 1716, 132
OFFSET
1,4
COMMENTS
Terms shown are given (also) on page 11 of the reference. - Joerg Arndt, May 23 2021
LINKS
Marko Petkovsek, Herbert S. Wilf, On a conjecture of Ira Gessel, arXiv:0807.3202.
EXAMPLE
Table begins with these 8 rows:
1, 1.
1, 2, 3, 1.
1, 5, 11, 19, 10, 2.
1, 9, 37, 85, 158, 103, 35, 5.
1, 14, 87, 332, 782, 1521, 1126, 499, 126, 14.
1, 20, 172, 911, 3343, 8004, 16056, 12941, 6765, 2296, 462, 42.
1, 27, 305, 2096, 10147, 36350, 88044, 180621, 154750, 90781, 37178, 10254, 1716, 132.
1, 35, 501, 4300, 25297, 118472, 417565, 1020162, 2128824, 1910006, 1217523, 570409, 193137, 44913, 6435, 429.
CROSSREFS
Sequence in context: A194680 A131739 A011151 * A182933 A342673 A365463
KEYWORD
nonn,tabf
AUTHOR
Jonathan Vos Post, Jul 22 2008
STATUS
approved