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A331977
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Integers m such that m and m+1 are terms of A111035.
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2
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1, 6479, 11663, 34943, 47519, 51983, 196559, 327359, 685583, 954239, 1016063, 1346879, 2039183, 2332799, 2504447, 4665599, 5143823, 5962319, 6128639, 6723359, 7225343, 9363599, 12027023, 12446783, 14930351, 17639999, 17735759, 22924943, 24681023, 34715519, 41990399
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OFFSET
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1,2
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LINKS
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Daniel Suteu, Table of n, a(n) for n = 1..128
Daniel Yaqubi and Amirali Fatehizadeh, Some results on average of Fibonacci and Lucas sequences, arXiv:2001.11839 [math.CO], 2020.
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PROG
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(PARI) f(n, m) = (Mod([1, 1; 1, 0], m)^n)[1, 2];
isok(n) = f(n+2, n)==1 && f(n+3, n+1)==1;
for(k=1, 10^7, if(isok(k), print1(k, ", "))); \\ Daniel Suteu, Feb 03 2020
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CROSSREFS
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Cf. A111035 (the sum of the first k nonzero Fibonacci numbers is divisible by k).
Sequence in context: A318629 A213117 A232410 * A339598 A175756 A190012
Adjacent sequences: A331974 A331975 A331976 * A331978 A331979 A331980
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KEYWORD
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nonn
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AUTHOR
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Michel Marcus, Feb 03 2020
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EXTENSIONS
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a(23)-a(31) from Daniel Suteu, Feb 03 2020.
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STATUS
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approved
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