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 A069711 Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits). 13
 0, 1, 4, 9, 64, 144, 225, 324, 441, 576, 729, 900, 1681, 3364, 3481, 4624, 7225, 9025, 12769, 14884, 21025, 23104, 24649, 24964, 27556, 30976, 32041, 33856, 36100, 37249, 37636, 44944, 48841, 56644, 63001, 65536, 66049, 70756, 75076, 75625, 80089, 80656, 85264 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Jon E. Schoenfield, Table of n, a(n) for n = 1..10000 MATHEMATICA Do[ If[ IntegerQ[ Apply[ Plus, IntegerDigits[n^2]] / Floor[ Log[10, n^2] + 1]], Print[n^2]], {n, 1, 10^3}] CROSSREFS Cf. A069709, A069710, A069712. Sequence in context: A124683 A077163 A231812 * A062067 A110256 A095175 Adjacent sequences:  A069708 A069709 A069710 * A069712 A069713 A069714 KEYWORD base,nonn AUTHOR Amarnath Murthy, Apr 08 2002 EXTENSIONS Edited and extended by Robert G. Wilson v, Apr 12 2002 0 prepended as a(1) and a(27)-a(43) from Jon E. Schoenfield, Jun 28 2018 STATUS approved

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Last modified October 14 18:28 EDT 2019. Contains 328022 sequences. (Running on oeis4.)