41624

Appears in sequences

• a(n) = n*(n+1)^2/2.at n=43A006002
• Number of partitions of n that do not contain 6 as a part.at n=43A027340
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 51.at n=3A031729
• Numbers k such that z(k) = j(k), where z(k) = sopf(k - d(k)), j(k) = d(sopf(k) + k), sopf(k) = A008472(k) and d(k) = A000005(k).at n=33A063961
• Least x = a(n) such that number of common prime factors (ignoring multiplicity) of sigma(x) = A000203(x) and phi(x) = A000010(x) equals n.at n=4A081383
• Smaller of two consecutive numbers with the same prime signature not occurring earlier.at n=16A085929
• Smaller of two consecutive numbers with prime signature {1,2,3}.at n=0A178800
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-2.at n=41A180292
• Left edge of the triangle A045975.at n=43A204556
• Numbers that are values of the totient function (A002202) but not of the reduced totient function (A002174).at n=15A270265
• Numbers n such that n and n+1 both have 24 divisors.at n=21A274362
• Numbers k such that k and k+1 both have more nonunitary than unitary prime divisors (A348121).at n=36A348122