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%I #9 Oct 16 2023 23:30:00
%S 1,4,12,36,60,120,120,360,360,360,840,840,2520,2520,2520,2520,2520,
%T 5040,5040,5040,5040,5040,5040,10080,10080,27720,27720,27720,27720,
%U 55440,55440,55440,55440,55440,55440,55440,55440,55440,55440,55440
%N In the triangular multiplication table of size A062859(n), the smallest number which appears n times.
%C Smallest number to appear n times in any m X m multiplication table (excluding the numbers below the diagonals).
%e a(4)=36 because 36 is the smallest number to appear 4 times in the triangular multiplication table of size A062859(4)=18.
%o (Python)
%o from itertools import count
%o from collections import Counter
%o def A062858(n):
%o c = Counter()
%o for m in count(1):
%o for i in range(1,m+1):
%o ij = i*m
%o c[ij] += 1
%o if c[ij]>=n:
%o return ij # _Chai Wah Wu_, Oct 16 2023
%Y Cf. A027424, A062851, A062854, A062855, A062856, A062857, A062859, A000217.
%K nonn
%O 1,2
%A Ron Lalonde (ronronronlalonde(AT)hotmail.com), Jun 25 2001
%E More terms from _Don Reble_, Nov 08 2001
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