49037

Properties

Appears in sequences

• Least k such that first k terms of A022303 contain n more 2's than 1's.at n=28A025518
• Primes p from A031924 such that A052180(primepi(p)) = 19.at n=36A052235
• Prime number spiral (clockwise, Northwest spoke).at n=35A053999
• a(1) = 2, a(2) = 3 and a(n) = the smallest prime which is a linear combination of a(n-1) and a(n-2) of the form r*a(n-1) + s*a(n-2) with r,s >=1.at n=12A072535
• Prime(p^2) where p = prime(n).at n=19A096327
• Number of length n+1 0..6 arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=4A250165
• T(n,k)=Number of length n+1 0..k arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=49A250167
• Number of length 5+1 0..n arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=5A250170
• Sum of the squares of the larger parts of the partitions of 2n into two squarefree parts.at n=40A280322
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 0, a(1) = -1, a(2) = 0, a(3) = 1.at n=21A295735
• Number of partitions of n into 10 distinct and relatively prime parts.at n=48A341914
• Primes p1 such that the sum of 9 consecutive primes, p1+p2+p3+p4+p5+p6+p7+p8+p9, and the three sums (p1+p2+p3), (p4+p5+p6), (p7+p8+p9) are all prime numbers.at n=18A343683
• Primes in A343812.at n=29A343814
• Prime numbersat n=5041