64763

Properties

Appears in sequences

• Number of 4-line partitions of n decreasing across rows.at n=29A003292
• Numerator of the coefficient [x^(2n+1)] of tanh(cosec(x)-coth(x)).at n=3A013544
• Denominators of continued fraction convergents to sqrt(749).at n=11A042443
• Irregular table with first row containing the single term 3; in the n-th row, n>=2, we list in increasing order those d=2^(n+1)-a, for each term a in all the preceding rows, such that d is prime.at n=45A152871
• Primes p such that 2*p^5-+3 are also prime.at n=16A174368
• Primes whose hexadecimal representation contains only consonants.at n=41A238090
• Primes of the form 10n^2 - 90n + 163.at n=44A256376
• Expansion of f(-x^2, -x^10) / f(-x, -x) in powers of x where f(, ) is Ramanujan's general theta function.at n=32A262984
• Denominators of upper primes-only best approximates (POBAs) to Pi; see Comments.at n=24A265811
• Primes p such that p+-2 and p+-4 are semiprimes.at n=20A266845
• Primes that can be generated by the concatenation in base 2, in descending order, of two consecutive integers read in base 10.at n=34A287019
• Primes that can be generated by the concatenation in base 4, in descending order, of two consecutive integers read in base 10.at n=27A287303
• Numbers k such that 2^sigma(k) - k is a prime.at n=15A368651
• Prime numbersat n=6474