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A062858 In the triangular multiplication table of size A062859[n], the smallest number which appears n times. 4
1, 4, 12, 36, 60, 120, 120, 360, 360, 360, 840, 840, 2520, 2520, 2520, 2520, 2520, 5040, 5040, 5040, 5040, 5040, 5040, 10080, 10080, 27720, 27720, 27720, 27720, 55440, 55440, 55440, 55440, 55440, 55440, 55440, 55440, 55440, 55440, 55440 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Smallest number to appear n times in any m X m multiplication table (excluding the numbers below the diagonals).

LINKS

Table of n, a(n) for n=1..40.

EXAMPLE

a(4)=36 because 36 is the smallest number to appear 4 times in the triangular multiplication table of size A062859[4]=18.

CROSSREFS

Cf. A027424, A062851, A062854, A062855, A062856, A062857, A062859, A000217.

Sequence in context: A233181 A053595 A300553 * A095735 A020875 A307182

Adjacent sequences:  A062855 A062856 A062857 * A062859 A062860 A062861

KEYWORD

nonn

AUTHOR

Ron Lalonde (ronronronlalonde(AT)hotmail.com), Jun 25 2001

EXTENSIONS

More terms from Don Reble, Nov 08 2001

STATUS

approved

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Last modified October 23 21:27 EDT 2021. Contains 348217 sequences. (Running on oeis4.)