63546

Appears in sequences

• Numbers k such that k^2 is palindromic in base 11.at n=39A029996
• Triangular numbers in which the sum of the external digits equals the sum of the internal digits.at n=18A088289
• Triangular numbers whose digit reversal is the product of 2 palindromes greater than 1.at n=39A115702
• 144n^2 + 2n.at n=20A158132
• a(n) = A185128(n) - A185129(n).at n=14A185253
• a(n) = Fibonacci(n-1) * Fibonacci(n) * Fibonacci(n+2).at n=8A220362
• Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and column sum 1 3 6 or 8 and every diagonal and antidiagonal sum not 1 3 6 or 8.at n=8A252010
• Numbers k such that k and k+1 have the same denominator of the harmonic means of their divisors.at n=13A348415
• Numbers k such that k and k+1 have the same denominator of the harmonic means of their unitary divisors.at n=10A348657
• Squarefree integers k such that x^4 - k*y^2 = 1 has a nontrivial solution.at n=46A356496
• Triangular numbers which are products of five distinct primes.at n=18A357590
• Products of 5 distinct primes that are sandwiched between sphenic numbers.at n=2A376929