33637

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 6x + 5.at n=29A023317
• Nondescending wiggly sums: number of sums adding to n in which terms alternately do not decrease and do not increase.at n=20A129852
• Primes p such that both p^5 - 6 and p^5 + 6 are prime.at n=14A157256
• Number of n X 2 1..4 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nonincreasing order.at n=10A166826
• Number of distinct values taken by 5th derivative of x^x^...^x (with n x's and parentheses inserted in all possible ways) at x=1.at n=25A199296
• Primes of the form 10n^2 - 3.at n=15A201962
• a(0) = 12, after which, if a(n-1) = product_{k >= 1} (p_k)^(c_k), then a(n) = (1/2) * (1 + product_{k >= 1} (p_{k+1})^(c_k)), where p_k indicates the k-th prime, A000040(k).at n=35A246342
• Primes having only {3, 6, 7} as digits.at n=29A260380
• (2,3,5,7)-primes (see comments for precise definition).at n=24A262728
• Primes p such that 2*p + 1 is abundant.at n=39A267476
• Primes p such that 6p - 1 and 6p + 1 are twin primes and ((6p-1)^2 + (6p+1)^2) / 10 is prime.at n=26A283957
• First of four consecutive primes p,q,r,s such that (2*p+q)/5 and (r+2*s)/5 are prime.at n=3A358149
• Prime numbersat n=3605