30549

Appears in sequences

• Expansion of 1/((1-x)*(1-2*x)*(1-4*x)*(1-11*x)).at n=4A021094
• Numbers k such that phi(sigma(k)+k) = sigma(k).at n=19A068366
• a(n) = (3^n +1)/2 + 2^n.at n=10A099754
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 438", based on the 5-celled von Neumann neighborhood.at n=40A272219
• Sum of the ninth largest parts of the partitions of n into 10 parts.at n=51A326590
• Number of regions after generation n of Conant's dissection of a square when dissected with diagonal lines and where the starting edges rotate counterclockwise around the square and the dissection halves in size after every generation.at n=10A337693
• Number of integer partitions of n such that no distinct part can be written as a (strictly) positive linear combination of the other distinct parts.at n=41A365072