137394

Appears in sequences

• From George Gilbert's marks problem: jumping 3 marks at a time (initial positions).at n=13A019593
• (A178477(n)-1)/9.at n=14A191819
• Triangle T(n,k) read by rows: coefficient [x^(n-k+1)] of the Zwegers polynomial r_(n)(x), 1 <= k <= n.at n=27A210938