A043552 - OEIS

A043552

Least k for which the integers floor(5*k/m) for m=2,3,...,n are distinct.

1, 1, 1, 2, 4, 4, 4, 6, 10, 13, 13, 18, 18, 22, 29, 34, 37, 42, 45, 55, 58, 65, 73, 76, 84, 93, 97, 106, 120, 125, 130, 146, 157, 163, 174, 186, 199, 205, 218, 238, 245, 260, 274, 289, 305, 312, 328, 345, 362, 379, 396, 405, 433, 442

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OFFSET

1,4

LINKS

Table of n, a(n) for n=1..54.

PROG

(PARI) a(n) = my(k=1); while(#Set(vector(n-1, m, 5*k\(m+1))) != n-1, k++); k; \\ Michel Marcus, Apr 25 2021

CROSSREFS

Cf. A043549, A043550, A043551.

Sequence in context: A008217 A170889 A182839 * A325940 A035545 A327333

Adjacent sequences: A043549 A043550 A043551 * A043553 A043554 A043555

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved