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A270829 Smallest magic sum for any n X n semimagic square made from consecutive primes, or 0 if no such magic square exists. 1
2, 0, 65573, 124, 313, 484, 797, 2016, 2211, 2862, 4507, 6188, 6325, 9660, 12669, 13016, 16857, 19530, 23069, 28184, 38761, 46302, 42515, 49846, 59087, 70260, 73385, 78960, 97267, 98316, 111023, 124454, 134641, 152952, 163043, 180596, 195975, 218432 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) <= A073520(n). For n = 3 and 4, a(n) is different from A073520(n).

LINKS

Table of n, a(n) for n=1..38.

Index entries for sequences related to magic squares

FORMULA

a(2) = 0, otherwise a(n) = (1/n) * sum(m=k..n^2+k-1, A000040(m)), where k = A049084(A270830(n)).

CROSSREFS

Cf. A073520, A268912, A270830.

Sequence in context: A269904 A090446 A270830 * A104157 A073520 A152137

Adjacent sequences:  A270826 A270827 A270828 * A270830 A270831 A270832

KEYWORD

nonn

AUTHOR

Arkadiusz Wesolowski, Mar 23 2016

STATUS

approved

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Last modified September 22 20:30 EDT 2018. Contains 315270 sequences. (Running on oeis4.)