Number of compositions of n where the difference between largest and smallest parts equals 7 and adjacent parts are unequal.

A214276

Number of compositions of n where the difference between largest and smallest parts equals 7 and adjacent parts are unequal.

Terms

    a(0) =0a(1) =2a(2) =1a(3) =8a(4) =12a(5) =23a(6) =56a(7) =100a(8) =196a(9) =375a(10) =724a(11) =1334a(12) =2508a(13) =4678a(14) =8593a(15) =15871a(16) =29048a(17) =53125a(18) =96779a(19) =175921a(20) =318915a(21) =577064a(22) =1042342a(23) =1878814a(24) =3382049a(25) =6078454a(26) =10910254a(27) =19557912a(28) =35020059a(29) =62637612

External references