27439

Appears in sequences

• Centered tetrahedral numbers.at n=34A005894
• a(n) = (((6^n mod 5^n) mod 4^n) mod 3^n) mod 2^n.at n=14A064855
• Numerators of a(n+1) = Sum_{k=0..n} a'(k^2/n), where a(0) = a(1) = 1; and a'(x) = a(x) if x is an integer and is linearly interpolated otherwise.at n=8A071298
• C(2*n+4,4)-C(2*n,4).at n=17A085474
• a(n) = 784*n - 1.at n=34A158399
• Sum of the largest parts of the partitions of 4n into 4 parts.at n=12A239667
• a(n) is the smallest integer k > 1 such that k cannot be expressed as a sum of distinct earlier terms nor is a multiple of any earlier term.at n=18A330070
• Composite terms in A330070.at n=6A330126