139143

Appears in sequences

• Restricted partitions.at n=23A001981
• Triangle T(n,k), 0<=k<=n, read by rows, given by [1, 2, 2, 4, 3, 6, 4, 8, 5, 10, 6, 12, . . . ] DELTA [2, 1, 4, 2, 6, 3, 8, 4, 10, 5, 12, 6, . . . ] where DELTA is the operator defined in A084938.at n=25A108694
• Number of strictly increasing arrangements of 8 numbers in -(n+6)..(n+6) with sum zero.at n=8A188186