Number of arrays of 10 nondecreasing integers in -n..n with sum zero and equal numbers greater than zero and less than zero.

A203295

Number of arrays of 10 nondecreasing integers in -n..n with sum zero and equal numbers greater than zero and less than zero.

Terms

    a(0) =6a(1) =21a(2) =104a(3) =444a(4) =1614a(5) =5036a(6) =13934a(7) =34847a(8) =80258a(9) =172405a(10) =349182a(11) =672246a(12) =1238648a(13) =2196082a(14) =3763716a(15) =6258579a(16) =10130162a(17) =16003183a(18) =24731962a(19) =37466168a(20) =55732478a(21) =81531582a(22) =117456262a(23) =166829725a(24) =233871176a(25) =323887385a(26) =443498894a(27) =600898968

External references