54345

Appears in sequences

• Number of B-trees of order 4 with n leaves.at n=24A037026
• Palindromic primes in base 6 (written in base 6).at n=28A117701
• Crater numbers.at n=22A193409
• Palindromes with consecutive digits that differ exactly by 1.at n=41A207954
• Palindromes of the form 4n + 1 that are divisible by 5.at n=34A256704
• Number of inequivalent ways of placing 2 nonattacking rooks on n X n board up to rotations and reflections of the board.at n=30A307304
• Number of minimal subsets of {1..n} containing n whose sum is greater than or equal to the sum of their complement.at n=21A326175