Number of compositions of n where the difference between largest and smallest parts equals 6 and adjacent parts are unequal.

A214275

Number of compositions of n where the difference between largest and smallest parts equals 6 and adjacent parts are unequal.

Terms

    a(0) =0a(1) =2a(2) =1a(3) =8a(4) =12a(5) =23a(6) =56a(7) =100a(8) =191a(9) =370a(10) =703a(11) =1280a(12) =2409a(13) =4437a(14) =8076a(15) =14821a(16) =26895a(17) =48760a(18) =88102a(19) =158831a(20) =285490a(21) =512395a(22) =917768a(23) =1640448a(24) =2928758a(25) =5220037a(26) =9291968a(27) =16519618a(28) =29335963a(29) =52038382

External references