40536016030
domain: N
Appears in sequences
- Number of solutions to 1 +- 2 +- 3 +- ... +- n = 0.at n=43A058377
- Number of ways of partitioning the integers {1,2,..,4n} into two (unordered) sets such that the sums of parts are equal in both sets (parts in either set will add up to (4n)*(4n+1)/4). Number of solutions to {1 +- 2 +- 3 +- ... +- 4n=0}.at n=11A060005