121710

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,51.at n=30A064262
• Number T(n,k) of sets of nonempty words with a total of n letters over k-ary alphabet such that all k letters occur at least once in the set; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=33A319501
• Number of sets of nonempty words with a total of n letters over quinary alphabet such that all letters occur at least once in the set.at n=2A320206