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 A325593 Numbers having at least three representations as multinomial coefficients M(n;lambda), where lambda is a partition of n. 3
 1, 6, 20, 30, 56, 60, 90, 105, 120, 210, 252, 360, 420, 462, 495, 504, 560, 630, 720, 756, 840, 990, 1260, 1320, 1365, 1540, 1680, 1716, 1980, 2520, 2970, 3003, 3360, 3960, 4290, 4620, 5040, 5460, 6006, 6435, 7140, 7560, 7920, 8190, 9240, 10080, 10296, 10626 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Numbers occurring at least three times in the triangle A036038. LINKS Alois P. Heinz, Table of n, a(n) for n = 1..505 EXAMPLE 1 is in the sequence because M(0;0) = M(1;1) = M(2;2) = M(3;3) = ... = 1. 6 is in the sequence because M(6;5,1) = M(4;2,2) = M(3;1,1,1) = 6. 56 is in the sequence because M(56;55,1) = M(8;5,3) = M(8;6,1,1) = 56. CROSSREFS Cf. A036038, A325472, A325903. Sequence in context: A308710 A242341 A140738 * A226363 A253906 A031005 Adjacent sequences:  A325590 A325591 A325592 * A325594 A325595 A325596 KEYWORD nonn AUTHOR Alois P. Heinz, Sep 06 2019 STATUS approved

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Last modified May 28 10:49 EDT 2020. Contains 334681 sequences. (Running on oeis4.)