3734016

Appears in sequences

• a(n) is the number of associate Rota-Baxter words in one idempotent generator x and one idempotent operator P of degree n. Such words are Rota-Baxter words that begin and/or end with x, and P is applied n times in the word.at n=9A181282
• Square array read by antidiagonals downwards: super Patalan numbers of order 4.at n=39A248325