131474

Appears in sequences

• Frobenius number of the numerical semigroup generated by three consecutive hexagonal numbers.at n=27A069758
• Number of symmetry classes of 3 X 3 semimagic squares with distinct positive values < n.at n=28A173723
• Number of (n+1) X (2+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=9A235948