17937

Appears in sequences

• Numerators of continued fraction convergents to sqrt(879).at n=8A042698
• L-th order palindromes with L > 2.at n=8A089381
• Indices of primes in sequence defined by A(0) = 83, A(n) = 10*A(n-1) - 17 for n > 0.at n=6A101058
• a(n) is the smallest positive integer such that a(n)*n is an anagram of a(n)*8.at n=21A175697
• Position of 7^n among 7-smooth numbers (A002473).at n=15A232093
• Positions of 3's in A234323.at n=44A234804
• a(n) = (n + 1)*(6*n^2 + 15*n + 4)/2.at n=17A269232
• Expansion of 1/(1 - Sum_{k>=2} floor(bigomega(k)/2)*floor(2/bigomega(k))*x^k), where bigomega(k) is the number of prime divisors of k counted with multiplicity (A001222).at n=52A280238
• Numbers n such that the sum of the divisors of n is of the form m^2+1.at n=5A289290
• Number T(n,k) of tilings of a 2k X n rectangle using dominoes and 2 X 2 tiles.at n=41A352431
• Number of tilings of a 5 X 2n rectangle using dominoes and 2 X 2 tiles.at n=3A352433