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A110094
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Startorial primes.
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0
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2, 3, 5, 7, 23, 719, 5039, 1451521, 2903041, 5806081, 46448639, 92897281, 371589121, 10032906239, 30098718719, 270888468479, 812665405439, 7313988648961, 21941965946881, 89874292518420479
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| 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).
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FORMULA
| {a(n)} = {A109834(k)+1 an element of A000040, or A109834(k)-1 an element of A000040, for some k}.
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CROSSREFS
| Cf. A000040, A002981, A073828, A080778, A037083, A100015, A103317, A046882, A109834.
Sequence in context: A052017 A062088 A070029 * A088054 A085907 A024777
Adjacent sequences: A110091 A110092 A110093 * A110095 A110096 A110097
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KEYWORD
| base,easy,nonn
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AUTHOR
| Jonathan Vos Post (jvospost3(AT)gmail.com), Sep 04 2005
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