108516

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 = 1,2,13.at n=25A064243
• Numbers m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,53.at n=3A065695
• a(n) = Sum_{k=0..n} binomial(n, k)*hypergeom([k - n, n + 1], [k + 2], -4).at n=5A297705
• Number of set partitions of [k] into 5 blocks with equal element sum, where k is the n-th positive integer that allows such a partition.at n=5A317807
• Irregular triangle read by rows where T(n,k) is the number of set partitions of {1,...,n} with all block-sums equal to d, where d is the k-th divisor of n*(n+1)/2 that is >= n.at n=60A320438