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A110094 Startorial primes. +0
1
2, 3, 5, 7, 23, 719, 5039, 1451521, 2903041, 5806081, 46448639, 92897281, 371589121, 10032906239, 30098718719, 270888468479, 812665405439, 7313988648961, 21941965946881, 89874292518420479 (list; graph; listen)
OFFSET

1,1

COMMENT

These are primes of the form A109834 startorials (base 10) +1 or -1. This is by analogy to factorial primes (A002981), superfactorial primes (A073828), hyperfactorial primes, ultrafactorial primes (comment in A046882), subfactorial primes (A100015), double factorial primes (A080778), multifactorial primes (A037083).

FORMULA

{a(n)} = {A109834(k)+1 an element of A000040, or A109834(k)-1 an element of A000040, for some k}.

CROSSREFS

Cf. A000040, A002981, A073828, A080778, A037083, A100015, A103317, A046882, A109834.

Sequence in context: A052017 A062088 A070029 this_sequence A088054 A085907 A024777

Adjacent sequences: A110091 A110092 A110093 this_sequence A110095 A110096 A110097

KEYWORD

base,easy,nonn

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com), Sep 04 2005

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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