298200

Appears in sequences

• Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape Z; triangle T(n,k), n>=0, read by rows.at n=33A247713
• Numbers k such that k+1 is a prime, k+2 is twice a prime, k+3 is three times a prime, and k+4 is four times a prime.at n=12A278585
• Numbers i such that Fibonacci(i) is divisible by i, i+1, i+2, and i+3.at n=35A298685
• Numbers i such that Fibonacci(i) is divisible by i+k for k=0,1,2,3,4.at n=8A298686
• a(n) begins the first sequence of n consecutive positive integers with the same h-value and the same d-value in the Collatz (or '3x + 1') problem.at n=7A341362
• Numbers k such that 1/(1/phi(k) + 1/phi(k+1) + 1/phi(k+2) + 1/phi(k+3) + 1/phi(k+4)) is an integer.at n=6A341745