223054

Appears in sequences

• Number of (2+1) X (n+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=14A250879
• The first of two consecutive heptagonal numbers the sum of which is equal to the sum of two consecutive primes.at n=9A298465
• Heptagonal numbers which are products of four distinct primes.at n=23A351867