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A322680
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Four-column table read by rows: Quadruples that have the same value of phi, sigma, and tau.
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9
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1167320, 1197912, 1275318, 1345542, 3502548, 3536232, 3684252, 3695412, 4846520, 4980792, 5302638, 5594622, 5196000, 5299680, 5857830, 6000150, 5276448, 5568672, 5605308, 5764220, 6115656, 6510834, 6866106, 6869346, 6119520, 6159780, 6586650, 6928350, 6595560, 6917064, 6960840, 7818690
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OFFSET
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1,1
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COMMENTS
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The terms are consecutive quadruples, ordered so that (A) a(4i-3) < a(4i-2) < a(4i-1) < a(4i) for i > 0, and (B) a(4i+1) < a(4i+5) for i >= 0. Primitive solutions are in A322690.
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LINKS
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EXAMPLE
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1167320, 1197912, 1275318, and 1345542 have the same value of phi (362880), sigma (3283200), and tau (64), so these four numbers are in the sequence.
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CROSSREFS
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Cf. A134922, A322689, A322678, A322679, A322681, A322682, A322683, A322684, A322685, A322686, A322687.
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KEYWORD
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nonn,tabf
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AUTHOR
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STATUS
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approved
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