Number of compositions of n such that the maximal distance between two identical parts equals three.

A262196

Number of compositions of n such that the maximal distance between two identical parts equals three.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =6a(4) =12a(5) =25a(6) =46a(7) =88a(8) =152a(9) =267a(10) =452a(11) =764a(12) =1260a(13) =2049a(14) =3314a(15) =5272a(16) =8354a(17) =13077a(18) =20366a(19) =31302a(20) =48048a(21) =72849a(22) =110244a(23) =165354a(24) =247194a(25) =366703a(26) =541802a(27) =796066a(28) =1164264a(29) =1695201

External references