138600

Appears in sequences

• Degrees of irreducible representations of Fischer group Fi22.at n=22A003913
• Degrees of irreducible representations of Fischer group Fi22.at n=21A003913
• Numbers k such that k and 6*k are anagrams.at n=13A023090
• Numbers k such that sigma(k) >= 4*k.at n=21A023198
• Triangular table of 2^n *(n+k)! / ((n-k)! * k! * 4^k).at n=32A043302
• Numbers k such that sigma(k) > 4*k.at n=19A068404
• Numbers m such that sigma(m)/m is equal to sigma(k)/k for some k being superabundant (A004394).at n=41A073349
• Triangle T(n,k) read by rows, where o.g.f. for T(n,k) is n!*Sum_{k=0..n} (1+x)^(n-k)/k!.at n=33A073474
• a(n) = Product_{k=1..n} k/floor(n/k).at n=11A076000
• Terms of A025487 which are a multiple of their indices.at n=23A077562
• Numbers that can be expressed as the difference of the squares of primes in exactly nine distinct ways.at n=18A092005
• Numbers k such that the total number of 1's in the binary expansion of all the divisors of k sets a new record.at n=44A093687
• Numbers n such that A076078(n) > A076078(m) for all m < n, A076078(n) being the number of sets of distinct positive integers with a least common multiple of n.at n=37A097212
• Members of A097212, excluding highly composite numbers (A002182).at n=7A097213
• Value of Product[k/sd(k,2),k=1..n], where sd(k,b) is the sum of the digits of k represented in base b.at n=10A109489
• Value of Product[k/sd(k,3),k=1..n], where sd[k,b] is the sum of the digits of k represented in base b.at n=11A109490
• a(n) = Product_{k=1..n} A005117(k), the product of the first n squarefree positive integers.at n=7A111059
• a(n) = denominator of sum of reciprocals of the terms of the continued fraction for H(n) = Sum_{k=1..n} 1/k.at n=28A112287
• When the n-th term of this sequence is added to or subtracted from the square of the n-th prime of the form 4k + 1 (i.e., A002144(n)), the result in both cases is a square.at n=34A114200
• Smallest number m having exactly n divisors d with sqrt(m/2) <= d < sqrt(2*m).at n=18A128605