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A166113 Center element of a 3 X 3 magic square composed of consecutive primes. 7
1480028171, 1850590099, 5196185989, 5601567229, 5757284539, 6048371071, 6151077311, 9517122301, 19052235889, 20477868361, 23813359697, 24026890201, 26748150313, 28519991429, 34821326161, 44420969951, 49285771751, 73827799051, 73974781931, 74220519391, 76483907879, 76560277051, 80143089671, 85892025269, 89132925809, 95515449079, 99977424731 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
An element p of A096710 belongs to this sequence iff q+r=s+p and (q+s=p+t or r+s=p+t), where p,q,r,s,t are consecutive primes.
a(n) = A270305(n)/3. - Arkadiusz Wesolowski, Mar 14 2016
CROSSREFS
Cf. A073519, A256891, A270305. Subsequence of A096710.
Sequence in context: A073519 A256891 A320873 * A157816 A157822 A034616
KEYWORD
nonn
AUTHOR
Max Alekseyev, Oct 06 2009
EXTENSIONS
Extended by Max Alekseyev, Oct 13 2009
a(19)-a(27) added by Natalia Makarova, Oct 30 2015
STATUS
approved

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Last modified February 29 07:23 EST 2024. Contains 370414 sequences. (Running on oeis4.)