A166113 Center element of a 3 X 3 magic square composed of consecutive primes.

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

Offset

1,1

Links

Dmitry Petukhov, Table of n, a(n) for n = 1..759

Index entries for sequences related to magic squares

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

Adjacent sequences: A166110 A166111 A166112 * A166114 A166115 A166116

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