A134766 -id:A134766 - cp's OEIS frontend

A134767 Indices where primes occur in variant of permutational numbers A134750.

3, 14, 17, 19, 20, 25, 28, 33, 38, 52, 57, 63, 68, 89, 91, 100, 111, 113, 115, 119, 123, 124, 125, 127, 130, 131, 133, 141, 142, 143, 144, 145, 146, 151, 158, 164, 172, 174, 179, 185, 198, 209, 212, 256, 258, 275, 294, 299, 307, 309, 323, 326, 331, 332, 337

Offset: 1

Artur Jasinski, Nov 10 2007

nonn

For primes in A134750 see A134766

Cf. A134640, A134641, A134750, A134766.

k = {}; a = {}; b = {}; Do[AppendTo[b, n]; w = Permutations[b]; Do[j = FromDigits[1 + w[[m]], n + 1]; AppendTo[a, j], {m, 1, Length[w]}], {n, 0, 6}]; Do[If[PrimeQ[a[[n]]], AppendTo[k, n]], {n, 1, Length[a]}]; k

A134768 First differences of variant of permutational numbers A134750 .

Original entry on oeis.org

3, 1, 13, 2, 4, 4, 4, 2, 78, 3, 9, 6, 9, 3, 18, 3, 21, 9, 6, 6, 15, 6, 6, 9, 21, 3, 18, 3, 9, 6, 9, 3, 662, 4, 16, 8, 16, 4, 52, 4, 36, 12, 12, 8, 48, 8, 12, 12, 36, 4, 52, 4, 16, 8, 16, 4, 108, 4, 16, 8, 16, 4, 152, 4, 56, 16, 8, 12, 24, 8, 32, 16, 32, 8, 28, 4, 36, 12, 12, 8, 84, 4, 36, 12

Offset: 1

Artur Jasinski, Nov 10 2007

nonn

Cf. A134640, A134641, A134750, A134766, A134767.

k = {}; a = {}; b = {}; Do[AppendTo[b, n]; w = Permutations[b]; Do[j = FromDigits[1 + w[[m]], n + 1]; AppendTo[a, j], {m, 1, Length[w]}], {n, 0, 6}]; Do[AppendTo[k, a[[n + 1]] - a[[n]]], {n, 1, Length[a] - 1}]; k

cp's OEIS Frontend

A134767 Indices where primes occur in variant of permutational numbers A134750.

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