82677

Appears in sequences

• Weight distribution of d=3 Hamming code of length 127.at n=4A010088
• Weight distribution of d=4 Hamming code of length 127.at n=2A010093
• Numbers that are a product of distinct Mersenne primes (elements of A000668).at n=18A046528
• Least k such that sigma(k)=m^n for some m>1.at n=16A063869
• Numbers n such that sigma(n) is a prime power (A025475).at n=19A065523
• Numbers n such that sigma(n) is a power of prime (of the form p^a, p prime, a>=1).at n=40A070763
• Product of first n Mersenne primes = Product_{k=1..n} A000668(k).at n=3A098918
• Numbers n with following property: suppose n^6 = d1 d2 d3 ...dk in decimal; then d1! + d2! + ... + dk! is a square.at n=32A130688
• Smallest number m such that sigma(m) is an n-almost prime.at n=16A152092
• Sqrt(sigma(A008847(n)^2)), where A008847 lists m such that sigma(m^2) is a square.at n=12A163763
• Positions of records in A175432.at n=13A169981
• a(n) is the smallest number N such that sigma(N) is an n-th power but not a higher power, with a(n) = 0 if no such number exists.at n=17A180162
• Number of partitions of n^2 into positive cubes.at n=32A218495
• a(n) is the smallest number k such that sigma(k) = 2^n or 0 if no such k exists.at n=17A247956
• Nonprime numbers k such that sum of the divisors of k is a power of 2.at n=13A254603
• Irregular triangle read by rows: T(n, k) is the q-multinomial coefficient defined by the k-th partition of n in Abramowitz-Stegun order, evaluated at q = 2.at n=34A347485
• Triangular array read by rows. T(n,k) is the number of size k circuits in the linear matroid M[A] where A is the n X 2^n-1 matrix whose columns are the nonzero vectors in GF(2)^n, n>=2, 3<=k<=n+1.at n=16A372230
• E.g.f.: Sum_{n>=0} (2^n*x + LambertW(x))^n / n!.at n=4A386655