46199

Properties

Appears in sequences

• Primes which are a concatenation of n and prime(n).at n=14A084667
• Primes of the form 8*k-1 such that 4*k-1 and 16*k-1 are also primes.at n=35A101792
• Number of odd squarefree semiprimes (A046388) < 2^n.at n=17A146168
• Primes of the form 2n^2-9.at n=40A155702
• Primes of the form 8n^2 - 9.at n=21A201859
• Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically.at n=4A207784
• Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically.at n=6A207787
• Greatest number (in decimal representation) with n nonprime substrings in base-6 representation (substrings with leading zeros are considered to be nonprime).at n=7A217116
• Smallest positive integer k (or 0 if no such k) with a primitive cycle of positive integers, exactly n of which are odd, under iteration by the Collatz-like 3x-k function.at n=33A226677
• Smallest positive integer (or 0 if no such k) with conjecturally exactly n primitive cycles of positive integers under iteration by the Collatz-like 3x-k function.at n=16A226678
• Numbers k such that k divides the number of planar partitions of k (A000219).at n=12A294086
• Primes p such that p^5 - 1 has 8 divisors.at n=36A341665
• Prime numbersat n=4780