22616

Appears in sequences

• Largest achievable determinant of a 3 X 3 matrix whose elements are 9 distinct integers chosen from the range -n...n.at n=15A097693
• A(n,k) for n >= k in triangular ordering, where A(n,k) is the number of compositions (ordered partitions) of n into k parts, with the first part greater than or equal to all other parts.at n=64A156042
• a(0)=a(1)=1, a(n) = least k > a(n-1) such that k*a(n-2) is an oblong number.at n=31A214963
• a(n+1) = Sum_{i=1..a(n)} floor(a(n)/i); a(1) = 2.at n=8A223545
• Number of equivalence classes of words in F_2, modulo all automorphisms of F_2, whose minimal words have length n.at n=14A224073
• Numbers k such that Bernoulli number B_{k} has denominator 61410.at n=8A295591
• Numbers that cannot be expressed as the sum of one or more numbers without any repeated digits.at n=20A342080
• Number of conjugacy classes of pairs of commuting elements in the alternating group A_n.at n=16A371059
• Numbers k such that x=(sigma(k) XOR 2*k) divides k in carryless binary arithmetic, when the binary expansions of k and x are interpreted as polynomials in ring GF(2)[X].at n=48A379236
• Numbers k such that A003415(k) == A276085(k) (mod 5^5), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.at n=15A391865