28737

Appears in sequences

• Numbers whose base-13 representation has exactly 5 runs.at n=6A043660
• Numbers n such that n and its digit reversal R(n) both are difference of positive cubes.at n=28A109879
• Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition).at n=7A141786
• Number of partitions p of n such that (number of numbers of the form 5k in p) is a part of p.at n=43A241549
• Number of partitions p of n such that (number of numbers in p of form 3k+1) < (number of numbers in p of form 3k+2).at n=46A241737
• Expansion of Product_{k>=1} 1/(1-x^k)^(k*(k-1)/2).at n=17A258349
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 557", based on the 5-celled von Neumann neighborhood.at n=29A272926
• Smallest m such that 5^m begins with n 9's after the first digit.at n=4A385971