A117610 - OEIS

%I #12 Jan 23 2025 23:30:28

%S 7,11,13,2,4,8,14,1,11,13,2,8,14,1,7,11,2,14,1,7,11,13,2,8,11,13,2,14,

%T 7,11,2,8,11,2,14,11,2,8,13,2,11,2,2,14,11,2,8,13,13,2,14,2,8,13,11,2,

%U 14,13,13,2,14,2,2,13,13,13,2,14,2,2,13,14

%N A nonsense sequence.

%t (* a-> Prime[4] to Prime[11] modulo 15 as the reference sequence *)

%t a = {7, 11, 13, 2, 4, 8, 14, 1};

%t (* finds permutations of the reference sequence to match the actual primes*)

%t M = Table[Table[If[Mod[Prime[i + n], 15] - a[[m]] == 0, 1, 0], {n, 1, 8}, {m, 1, 8}], {i, 4, 68, 8}];

%t v[0] = a;

%t v[n_] := v[n] = M[[1 + Mod[n, 8]]].v[n - 1]

%t a0 = Flatten[Table[v[n][[m]], {n, 0, 8}, {m, 1, 8}]]

%K nonn,uned,obsc,less,changed

%O 0,1

%A _Roger L. Bagula_, Apr 06 2006