29930

Appears in sequences

• Number of partitions satisfying cn(0,5) <= cn(1,5) + cn(2,5) and cn(0,5) <= cn(4,5) + cn(2,5) and cn(0,5) <= cn(1,5) + cn(3,5) and cn(0,5) <= cn(4,5) + cn(3,5).at n=40A039843
• Number of 3 X n matrices over GF(3) under row and column permutations.at n=5A052266
• a(n) = prime(n)^2 + 1.at n=39A066872
• Largest eigenvalue, rounded to the nearest integer, of a rank n matrix of 1..n^2 filled successively along rows.at n=38A072333
• Indices of primes in sequence defined by A(0) = 97, A(n) = 10*A(n-1) + 17 for n > 0.at n=16A101018
• Numbers of the form q-p, where p and q are prime and q = p^0+p^1+p^2+..+p^k for some k.at n=18A166388
• Numbers that can be represented as a sum of two distinct nontrivial prime powers in three or more ways.at n=29A225104
• Smallest even k such that lpf(k-1) = prime(n), while lpf(k-3) > prime(n), where lpf=least prime factor (A020639).at n=38A242489
• Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639).at n=37A242719
• Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639).at n=38A242719
• The smallest numbers of every class in a classification of positive numbers (see comment).at n=41A247395
• Numbers m such that sigma(m-1) is a prime.at n=19A270413
• The least common multiple of 1 + n^2 and 1 + n^3.at n=9A281661
• a(n) = (2*n-3-(-1)^n)*(22*n^2-21*n+5*n*(-1)^n)/96.at n=40A298992
• Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1.at n=32A299708
• Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1 and gcd(j,k) = 1.at n=17A300166
• a(n) = Sum_{k >= 0} floor(n^(2*k+1) / (2*k+1)!).at n=11A309104
• Numbers k such that the two perfect powers immediately adjacent to k^2 both have exponents greater than 2.at n=25A340643