38039

Properties

Appears in sequences

• Number of bimagic series for squares of order n.at n=7A052457
• Coefficients in the series (1 + x - 4x^4 - 6x^6 - 8x^8 - 9x^9 - 10x^10 - 12x^12 - 14x^14 - ... )/(1 - 2x^2 - 3x^3 - 5x^5 - 7x^7 - 11x^11 - 13x^13 - ... ).at n=16A058357
• Primes of form n.0.n+1, where '.' represents concatenation. Or, primes of form 10^(k+1)*n + n + 1, where k is the number of digits in n.at n=4A096525
• Cyclops Sophie-Germain primes.at n=26A183058
• Cyclops primes p such that 2p+1 is also a Cyclops prime.at n=13A183059
• a(n) = (2*n^3 + 3*n^2 + n + 3)/3.at n=38A188475
• Number of arrays of the median of three adjacent elements of some length n+2 0..2 array.at n=10A228734
• Prime(n), where n is such that (1+Sum_{i=1..n} prime(i)^5) / n is an integer.at n=15A234003
• Primes of the form n^2 + 14.at n=10A243449
• Centered 13-gonal (or tridecagonal) primes.at n=14A262493
• Number of length-4 0..n arrays with no adjacent pair x,x+1 followed at any distance by x+1,x.at n=12A268458
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 43", based on the 5-celled von Neumann neighborhood.at n=38A269878
• Prime-indexed primes p such that 2*p + 1 is also a prime-indexed prime.at n=12A318294
• a(n) is the least prime of the form Sum_{1<=i<=2*n-1} prime(i+1)*prime(i+k).at n=7A340861
• a(n) is the number of distinct scalar products which can be formed by pairs of signed permutations (V, W) of [n].at n=38A358655
• a(n) is the smallest prime that starts the first occurrence of exactly n consecutive primes in A381019.at n=36A381616
• Primes having only {0, 3, 8, 9} as digits.at n=41A386069
• Prime numbersat n=4019