A091578 Permutation of primes generated by 2-rowed array shown below.

2, 7, 3, 11, 5, 19, 13, 23, 17, 37, 29, 41, 31, 53, 43, 59, 47, 71, 61, 73, 67, 89, 79, 97, 83, 107, 101, 109, 103, 131, 113, 137, 127, 151, 139, 157, 149, 173, 163, 179, 167, 193, 181, 197, 191, 223, 199, 227, 211, 239, 229, 241, 233, 263, 251, 257

Offset

1,1

Comments

2 7 11 19 23 37 41 53 59 ... (A060191)

3 5 13 17 29 31 43 47 61 ... (A060192)

Links

Table of n, a(n) for n=1..56.

Formula

a(n) = A000040(A090964(n)). a(n) = A000040(a(k+8) = a(k)+8).

Crossrefs

Cf. A090964.

Sequence in context: A051430 A185510 A304754 * A332363 A353408 A365966

Adjacent sequences: A091575 A091576 A091577 * A091579 A091580 A091581

Keyword

nonn

Author

Giovanni Teofilatto, Mar 05 2004; corrected and extended Oct 13 2006, Oct 15 2006

Status

approved