A272387 Smallest primes of 6 X 6 magic squares formed from consecutive primes.

7, 41, 47, 59, 67, 137, 149, 151, 173, 181, 191, 199, 229, 241, 257, 277, 283, 313, 409, 421, 499, 503, 509, 631, 701, 709, 829, 887, 907, 971, 977, 983, 1013, 1019, 1033, 1049, 1051, 1061, 1201, 1223, 1229, 1321, 1439, 1451, 1459, 1489, 1493, 1523, 1531, 1549

Offset

1,1

Links

Table of n, a(n) for n=1..50.

Eric Weisstein's World of Mathematics, Prime Magic Square

Index entries for sequences related to magic squares

Prog

(PARI) A272387(n)=MagicPrimes(A177434(n), 6)[1] \\ See A073519 for MagicPrimes(). - M. F. Hasler, Oct 28 2018
(PARI) is_candidate(p, N=6)={denominator(p=A177434(, p, N))==1 && !bittest(p-N, 0)} \\ This necessary condition is also sufficient for all primes up to and beyond the limit of the terms displayed in DATA. - M. F. Hasler, Oct 30 2018

Crossrefs

Cf. A256891 (analog for 3 X 3), A260673 (4 X 4), A272386 (5 X 5).

Cf. A177434 (magic sums, 6 X 6 consecutive primes).

Sequence in context: A073501 A080666 A224718 * A338771 A161505 A105902

Adjacent sequences: A272384 A272385 A272386 * A272388 A272389 A272390

Keyword

nonn

Author

Arkadiusz Wesolowski, Apr 28 2016

Status

approved