28567

Appears in sequences

• Wolstenholme numbers: numerator of Sum_{k=1..n} 1/k^3.at n=5A007408
• Coefficient of the irreducible character of S_m indexed by (m-2n+2,2n-2) in the n-th Kronecker power of the representation indexed by (m-2,2).at n=22A090809
• Numbers which are numerators of at least one reduced rational sum{k=1 to m} 1/k^n, taken over all positive integers m and n.at n=31A094509
• a(n) = 54*n^2 + 1.at n=23A158646
• a(n) = number of steps required to reach 0 from F(n+2)-1 by repeatedly subtracting from a natural number the number of ones in its Zeckendorf representation. Here F(n) = the n-th Fibonacci number, F(0) = 0, F(1) = 1, F(2) = 1, F(3) = 2, ...at n=25A261081
• Partial sums of A147562.at n=43A272928
• Triangle read by rows: numerators of c_{n,k}, n >= 0, 0 <= k <= n, used in the proof that Zeta(3) is irrational.at n=21A303988
• A self-"read and extend" sequence built following the rules visible in the Comments section (a kind of Collatz-by-digits sequence).at n=18A316764
• a(n) = Sum_{k=1..n} floor(n/k)^3.at n=28A318742
• Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = numerator of Sum_{j=1..n} 1/j^k.at n=41A322265
• Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers.at n=38A333013