38856

Appears in sequences

• First differences of A073708.at n=30A073709
• First differences of A073708.at n=31A073709
• a(n) = (n-1)!*Sum_{k=1..n, gcd(k,n)=1} H(k), where H(k) = Sum_{j=1..k} 1/j, the k-th harmonic number.at n=7A119769
• Expansion of 1/(1 - x) * Product_{k>=0} 1/(1 - x^(2^k))^(2^(k+1)).at n=15A321335
• a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero icosahedral numbers in exactly n ways, or -1 if no such integer exists.at n=39A360215