Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 6.

A221319

Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 6.

Terms

    a(0) =1a(1) =2a(2) =7a(3) =14a(4) =30a(5) =76a(6) =188a(7) =444a(8) =1071a(9) =2638a(10) =6460a(11) =15756a(12) =38783a(13) =95778a(14) =236270a(15) =584394a(16) =1448972a(17) =3596146a(18) =8935547a(19) =22233108a(20) =55380945a(21) =138076092a(22) =344565415a(23) =860595928a(24) =2151093021a(25) =5380523278a(26) =13467284628a(27) =33729132584a(28) =84523860027a(29) =211927633632

External references