26738

Appears in sequences

• Super-4 Numbers (4 * n^4 contains substring '4444' in its decimal expansion).at n=27A032744
• Number of ways to tile a 4 X n region with 1 X 1, 2 X 2, 3 X 3 and 4 X 4 tiles.at n=10A054856
• Number of primes p with n! < p <= (n+1)!.at n=8A061232
• Number of parts in all the compositions of n into primes (i.e., in all ordered sequences of primes having sum n).at n=22A121304
• Numbers n such that the sum of the proper divisors of n and n+1 equals either n or n+1.at n=21A130776
• a(n) = n*(2*n^2 + 5*n + 17)/2.at n=29A163661
• Number of tilings of a 10 X n rectangle using integer-sided square tiles.at n=4A219929
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 49", based on the 5-celled von Neumann neighborhood.at n=34A270016
• Lesser of 2 successive sphenic numbers (k, k+4) sandwiching 3 consecutive nonsquarefree numbers.at n=36A363830