70997

Properties

Appears in sequences

• Least prime in A001359 (lesser of twin primes) such that the distance (A053319) to the next twin is 6*n.at n=43A052350
• Smallest prime having alternating bit sum (A065359) equal to n.at n=8A065084
• a(n) is the least prime p such that exponent of highest power of 2 dividing 3p+1 equals n.at n=13A087964
• Least primes of the form k 4^n + (4^n-1)/3.at n=7A127598
• a(n) = a(n-1) + 4a(n-2) - 4a(n-3).at n=16A136326
• Numbers k such that k and k^2 use only the digits 0, 4, 5, 7 and 9.at n=13A136952
• a(n) = 5*a(n-1) - 9*a(n-2) + 8*a(n-3) - 4*a(n-4), with a(0)=0, a(1)=0, a(2)=0, a(3)=1.at n=15A137221
• A sequence with Somos-4 Hankel transform.at n=15A171416
• Odd numbers producing 4 odd numbers in the Collatz iteration.at n=40A198587
• Primes whose base-4 representation also is the base 2-representation of a prime.at n=28A235461
• Rectangular array with all start numbers Me(n, k), k >= 1, for the Collatz operation ud^(2*n), n >= 1, ending in an odd number, read by antidiagonals.at n=42A238475
• Primes of form n^2 + 28561.at n=29A256841
• Primes that contain only the digits (0, 7, 9).at n=17A261181
• Decimal representation of the middle column of the "Rule 91" elementary cellular automaton starting with a single ON (black) cell.at n=16A267045
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 526", based on the 5-celled von Neumann neighborhood.at n=8A272743
• a(n) = 4^(n+1) + (4^n-1)/3.at n=7A330246
• Primes having only {0, 7, 8, 9} as digits.at n=37A386084
• Prime numbersat n=7032