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A178943 Primes that are not balanced primes (see A006562). 5
2, 3, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 163, 167, 179, 181, 191, 193, 197, 199, 223, 227, 229, 233, 239, 241, 251, 269, 271, 277, 281, 283, 293 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

MATHEMATICA

Transpose[ Select[ Partition[ Prime@ Range@ 65, 3, 1], #[[2]]!=(#[[1]]+#[[3]])/2&]][[2]]

PROG

(Haskell)

a178943 n = a178943_list !! (n-1)

a178943_list = 2 : h a000040_list where

   h (p:qs@(q:r:ps)) = if 2 * q /= (p + r) then q : h qs else h qs

-- Reinhard Zumkeller, May 09 2013

CROSSREFS

Complement with respect to A000040 gives A006562.

Union of {2}, A051634 and A051634; A225496 (multiplicative closure).

Sequence in context: A114600 A088905 A045319 * A038613 A075235 A020634

Adjacent sequences:  A178940 A178941 A178942 * A178944 A178945 A178946

KEYWORD

nonn

AUTHOR

Paul Muljadi, Dec 30 2010

STATUS

approved

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Last modified November 14 22:45 EST 2019. Contains 329135 sequences. (Running on oeis4.)