170868

Appears in sequences

• Group successively larger prime numbers so that the sum of the n-th group is a multiple of n. Sequence gives the sum for each group.at n=28A074128
• Number of n X 5 0..2 arrays with row sums equal and column sums unequal to adjacent columns.at n=2A203488
• T(n,k)=Number of nXk 0..2 arrays with row sums equal and column sums unequal to adjacent columns.at n=23A203491
• Number of 3Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.at n=4A203493