Number of parking functions of size n avoiding the patterns 213 and 312.

A362597

Number of parking functions of size n avoiding the patterns 213 and 312.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =12a(4) =54a(5) =259a(6) =1293a(7) =6634a(8) =34716a(9) =184389a(10) =990711a(11) =5372088a(12) =29347794a(13) =161317671a(14) =891313569a(15) =4946324886a(16) =27552980088a(17) =153982124809a(18) =862997075691

External references