49148

Appears in sequences

• Excess of n + product of digits over next prime associated with A091628.at n=13A091632
• Start with 1, then alternately double or add 2.at n=27A099942
• Binomial transform of [1, 1, 5, 1, 5, 1, 5, ...].at n=14A131128
• Number of twiddle factors in the first stage of a Pease Radix 4 Fast Fourier Transform.at n=6A181358
• a(n) is one fourth of the total number of free ends of 4 line segments expansion at n iterations (see Comments lines for definition).at n=27A238549
• Numbers k such that (782*10^k - 71)/9 is prime.at n=24A288483
• Expansion of x*(1 - x + 4*x^2) / ((1 - x)*(1 - 2*x)).at n=15A296954
• a(n) is the largest number that can be expressed as the sum of three triangular numbers in exactly n ways.at n=24A330810
• a(n) is the largest number that can be expressed as the sum of three positive triangular numbers in exactly n ways.at n=25A330811
• a(n) is the number of times that only 2 pegs have disks on them during the optimal solution to a Towers of Hanoi problem with n disks.at n=27A347789
• Number of edges in regular n-gon after 2 generations of mitosis.at n=19A349968