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 A352858 a(n) = abs(E_{p-3} (mod p)) for p = prime(n), where E_i is the i-th Euler number (A000364). 0
 1, 2, 1, 3, 8, 7, 1, 3, 9, 4, 4, 4, 14, 7, 12, 16, 25, 22, 25, 4, 23, 33, 42, 15, 46, 18, 23, 38, 58, 2, 6, 55, 0, 37, 74, 63, 10, 61, 21, 38, 92, 89, 70, 79, 69, 59, 85, 22, 27, 69, 0, 45, 58, 96, 106, 6, 50, 28, 91, 133, 46, 147, 133, 38, 29, 128, 167, 116 (list; graph; refs; listen; history; text; internal format)
 OFFSET 3,2 COMMENTS a(n) = 0 iff p is a term of A198245. These are the absolute values of the "A-values" that can be used to define "near-misses" in a search for terms of A198245 (cf. Mestrovic, 2014). LINKS Table of n, a(n) for n=3..70. Romeo Mestrovic, A search for primes p such that Euler number E_p-3 is divisible by p, Mathematics of Computation 83 (2014), 2967-2976. PROG (PARI) eulmod(n) = abs(centerlift(Mod(eulerfrac(n-3), n))) a(n) = my(p=prime(n)); eulmod(p) CROSSREFS Cf. A000364, A198245. A-values: A258367 (near-Wieferich), A250406 (near-Wilson), A244801 and A241014 (near-Wall-Sun-Sun), A260209 and A260210 (near-Wolstenholme), A338558 (near-misses for A007659). Sequence in context: A137307 A256420 A205391 * A078045 A202624 A342224 Adjacent sequences: A352855 A352856 A352857 * A352859 A352860 A352861 KEYWORD nonn AUTHOR Felix Fröhlich, Apr 06 2022 STATUS approved

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Last modified May 28 19:55 EDT 2024. Contains 372919 sequences. (Running on oeis4.)