24677

Properties

Appears in sequences

• a(1) = 1, a(n) = 12*a(n-1) + n.at n=4A014882
• Expansion of tanh(x)*tan(sin(x))/2.at n=5A024228
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 10.at n=33A031423
• Take the first n numbers written in base 12, concatenate them, then convert from base 12 to base 10.at n=4A048443
• Primes p from A031924 such that A052180(p) = 23.at n=20A052238
• Numbers p such that p = (prime(n)+ prime(n+2))/2 is prime for prime indices n=2, 3, 5...at n=27A098038
• Primes of the form p^3 + q^3 + r^3, where p, q and r are primes.at n=32A123597
• Total number of restricted right truncatable primes in base n.at n=36A133757
• Primes p such that 2*p^3 -+ 3 are also prime.at n=23A174363
• Primes p such that p^2 - 8, p^2 - 6 and p^2 - 2 are prime.at n=12A176960
• Primes of the form (n^2+1)/26.at n=23A208292
• Primes of the form x^3 + 2*y^3, with nonnegative x and y.at n=39A219559
• Primes obtained by merging 5 successive digits in the decimal expansion of sqrt(2) + sqrt(3) + sqrt(5).at n=19A241221
• Expansion of (1 + x) / ((1 - x^4) * (1 - x - x^5)) in powers of x.at n=35A247907
• a(n) = initial term of an arithmetic progression of nine primes used to form a 3 X 3 magic square with magic sum A269324(n).at n=21A269325
• Numbers n such that n^1024 + (n+1)^1024 is prime.at n=41A274234
• Number of ways to write n as an ordered sum of 6 prime power palindromes (A084092).at n=36A282845
• Number of equivalence classes of convex lattice polygons of genus n, restricting the count to those polygons that are interior to another polygon.at n=30A322344
• The smallest Champernowne prime in base n.at n=10A376221
• Primes having only {2, 4, 6, 7} as digits.at n=31A386155