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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 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 June 30 02:06 EDT 2022. Contains 354913 sequences. (Running on oeis4.)