A060191 -id:A060191 - cp's OEIS frontend

A060193 Partial products of A060191.

2, 14, 154, 2926, 67298, 2490026, 102091066, 5410826498, 319238763382, 22665952200122, 1654614510608906, 147260691444192634, 14284287070086685498, 1528418716499275348286, 166597640098421012963174, 21824290852893152698175794

Offset: 0

N. J. A. Sloane, Mar 21 2001

nonn

Rest[FoldList[Times,1,Drop[Drop[Prime[Range[40]],{2,-1,4}], {2,-1,3}]]] (* Harvey P. Dale, Nov 26 2011 *)

A060192 Union_i p(4i+2), p(4i+3), where p(k) = k-th prime.

Original entry on oeis.org

3, 5, 13, 17, 29, 31, 43, 47, 61, 67, 79, 83, 101, 103, 113, 127, 139, 149, 163, 167, 181, 191, 199, 211, 229, 233, 251, 257, 271, 277, 293, 307, 317, 331, 349, 353, 373, 379, 397, 401, 421, 431, 443, 449, 463, 467, 491, 499, 521, 523, 557

Offset: 0

N. J. A. Sloane, Mar 21 2001

nonn

Cf. A060191, A060193, A060194.

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

Original entry on oeis.org

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

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

nonn

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

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

Cf. A090964.

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

cp's OEIS Frontend

A060193 Partial products of A060191.

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A060192 Union_i p(4i+2), p(4i+3), where p(k) = k-th prime.

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

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