125316

Appears in sequences

• a(n) = (F(n+1)+L(n)+n)^2 where F(n) are the Fibonacci numbers (A000045) and L(n) are the Lucas numbers (A000032).at n=11A014718
• Numbers k such that phi(k + 5) | sigma(k) + 5.at n=10A015871
• a(n) = (10*n + 4)^2.at n=35A017318
• a(n) = (11*n + 2)^2.at n=32A017414
• Triangle T(n,k) (1 <= k <= n) read by rows: T(n,k) is the number of permutations of [1..n] with k components.at n=47A059438
• A diagonal of A059438.at n=7A059440
• Denominator of 1/36 - 1/n^2.at n=58A061046
• Squares whose external digits form a square and whose internal digits form a prime.at n=7A076395
• Triangle read by rows. T(n, k) = A059438(n, k) for 1 <= k <= n, and T(n, 0) = n^0.at n=58A085771
• Numbers k such that A094471(k) is prime.at n=34A096847
• Squares of the form n+prime(n).at n=37A104992
• Squares which are anagrams of cubes.at n=17A161860
• Numbers that are the squares of the product of three distinct primes.at n=36A162143
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.at n=7A209228
• Squares which are a decimal concatenation of triprimes.at n=19A225151
• Numbers whose sum of proper square divisors is a palindrome in base 10 having at least two digits.at n=12A232892
• a(n) = index of first n in A262680; positions of records in A262680.at n=6A262687
• Triangle read by rows: T(n,k) (n>=1, 0<=k<n) is the number of permutations of n elements with n-k elements in its connectivity set.at n=52A263484
• Numbers n such that 2^n == 1 (mod sigma(n)).at n=32A278836
• Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).at n=8A316483