Ceiling(n^2/2).
0, 1, 2, 5, 8, 13, 18, 25, 32, 41, 50, 61, 72, 85, 98, 113, 128, 145, 162, 181, 200, 221
3 seqfan posts
Sun Jan 2 20:42:19 CET 2011 [seqfan] Re: T(n, k)=Number of nondecreasing arrangements of n numbers in -k..k with sum zero
Sun Jan 2 19:46:21 CET 2011 [seqfan] Re: T(n, k)=Number of nondecreasing arrangements of n numbers in -k..k with sum zero
Tue Dec 14 01:40:21 CET 2010 [seqfan] T(n, k)=Number of nondecreasing arrangements of n numbers in -k..k with sum zero
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.