Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 2.

A221315

Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 2.

Terms

    a(0) =1a(1) =0a(2) =3a(3) =8a(4) =5a(5) =0a(6) =28a(7) =72a(8) =45a(9) =0a(10) =286a(11) =728a(12) =455a(13) =0a(14) =3060a(15) =7752a(16) =4845a(17) =0a(18) =33649a(19) =85008a(20) =53130a(21) =0a(22) =376740a(23) =950040a(24) =593775a(25) =0a(26) =4272048a(27) =10759232a(28) =6724520a(29) =0

External references