24613

Appears in sequences

• a(n) = floor(tau*a(n-2)) + a(n-1) with a(0)=1 and a(1)=3.at n=16A005907
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 74 ones.at n=36A031842
• A Wallis pair (x,y) satisfies sigma(x^2) = sigma(y^2); sequence gives y's for indecomposable Wallis pairs with x < y (ordered by values of x).at n=30A075769
• Numbers n such that n and n+4 are both brilliant numbers (A078972).at n=16A083285
• a(n) = prime(n)*prime(n+2).at n=35A090076
• Numbers k such that N*2^k + 1 is prime where N = 9999999999999999999999988888888888888888887777777777777777766666666666665555555555544444443333322211.at n=21A098467
• Partial sums of A160414.at n=29A161325
• a(n) = A168174(n)-10^12.at n=29A168248
• a(n) = prime(n) times the n-th nonnegative noncomposite.at n=37A176098
• Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 8.at n=49A240017
• S_5 sequence in partition of integers > 1 described in A240521.at n=42A240522
• Numbers of words on {0,1,2,3,4,} having no isolated zeros.at n=7A255814
• Quasi-Carmichael numbers to exactly two bases.at n=37A257752
• Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly three bit positions.at n=42A261075
• Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 places and every three consecutive elements having its maximum within 5 of its minimum.at n=10A263748
• Sequence of pairwise relatively prime numbers of class P_5 (see comment in A275246).at n=18A275249
• Numbers such that the sum of the reverse of their aliquot parts is equal to the reverse of the sum of their aliquot parts.at n=23A278948
• Numbers m such that numbers m, m + 1, m + 2 and m + 3 have k, 2k, 3k and 4k divisors respectively.at n=13A340157
• Numbers k such that k, k+1, k+2, k+3 have 2, 3, 4, 5 prime factors respectively, counted with multiplicity.at n=31A363391
• a(n) is the number of ways to partition an n X n X n cube into 4 noncongruent cuboids.at n=29A384311