36697

Properties

Appears in sequences

• Numbers k such that 5^k - 4^k is prime.at n=14A059802
• Number of permutations of length n which avoid the patterns 2143, 2341, 4213.at n=10A116785
• Start with 1 and repeatedly reverse the digits and add 66 to get the next term.at n=19A118200
• Numerators of n-th approximation of factorial (also called harmonic) expansion of the golden section phi:=(1+sqrt(5))/2.at n=8A131443
• a(n) = floor((3*4^n - 2*3^n)/5).at n=8A178935
• Number of nondecreasing sequences of n 1..6 integers with no element dividing the sequence sum.at n=38A212866
• Numbers k such that 14^k + 3 is prime.at n=9A339923
• Prime numbersat n=3891