363360

Appears in sequences

• Coefficient triangle of polynomials (rising powers) related to Pell number convolutions. Companion triangle is A058402.at n=10A058403
• Coefficient triangle of polynomials (falling powers) related to Pell number convolutions. Companion triangle is A058404.at n=14A058405
• Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k levels. A level in a bargraph is a maximal sequence of two or more adjacent horizontal steps; it is preceded and followed by either an up step or a down step.at n=56A273344