26648

Appears in sequences

• Numbers k such that 273*2^k + 1 is prime.at n=41A053353
• Number of partitions of 2n prime to 3,5 with all odd parts occurring with even multiplicities. There is no restriction on the even parts.at n=38A103259
• Triangle of coefficients of polynomials v(n,x) jointly generated with A208932; see the Formula section.at n=49A208932
• Total area of the shadows of the three views of a three-dimensional version of the shell model of partitions with n shells.at n=24A210970
• Difference between the numbers of trees on n vertices with an even number and an odd number of leaves.at n=28A262395
• Expansion of Product_{k>=1} (1 + x^(3*k-1))^(3*k-1).at n=37A262948
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 141", based on the 5-celled von Neumann neighborhood.at n=33A270284
• Cycle lengths obtained by repeated application of Klaus Nagel's strip bijection, as described in A307110.at n=19A363760
• Length of cycles obtained by repeated application of the strip bijection for the square lattice (A307110), sorted by increasing minimum radius visited by any cycle of this length.at n=19A367893
• Number of partitions of 1 into {1/1, 1/3, 1/5, ..., 1/(2*n-1)}.at n=22A378269