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 A195990 Positive integers a for which there is a primitive (1/3)-Pythagorean triple (a,b,c) satisfying a<=b. 4
 3, 5, 5, 7, 8, 8, 9, 9, 11, 11, 13, 16, 17, 19, 19, 21, 23, 27, 27, 27, 29, 31, 31, 32, 32, 33, 37, 37, 39, 41, 43, 45, 45, 48, 48, 51, 51, 56, 57, 61, 63, 63, 63, 64, 67, 69, 72, 72, 72, 72, 73, 75, 77, 79, 80, 80, 81, 85, 87, 88, 88, 96, 97, 99, 99, 99, 104, 115 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. LINKS EXAMPLE Primitive (1/3)-Pythagorean triples (c^2=a^2+b^2+k*a*b, where k=1/3): 3,8,9 5,9,11 5,72,73 7,27,29 8,9,13 8,45,47 9,13,17 9,77,79 11,48,51 11,351,353 MATHEMATICA (See A195939.) CROSSREFS Cf. A195770, A195939, A195991, A195992. Sequence in context: A206768 A168322 A138475 * A023840 A276501 A131421 Adjacent sequences:  A195987 A195988 A195989 * A195991 A195992 A195993 KEYWORD nonn AUTHOR Clark Kimberling, Sep 26 2011 STATUS approved

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Last modified August 11 15:12 EDT 2020. Contains 336428 sequences. (Running on oeis4.)