Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 5.

A221318

Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 5.

Terms

    a(0) =1a(1) =2a(2) =7a(3) =14a(4) =30a(5) =76a(6) =185a(7) =430a(8) =1044a(9) =2544a(10) =6154a(11) =15002a(12) =36691a(13) =89918a(14) =220728a(15) =543054a(16) =1338428a(17) =3302916a(18) =8162806a(19) =20197554a(20) =50030332a(21) =124053930a(22) =307882669a(23) =764770230a(24) =1901144731a(25) =4729494390a(26) =11773517941a(27) =29327102054a(28) =73094698149a(29) =182280159290

External references