43946

Appears in sequences

• Number of primitive (aperiodic) palindromic structures using a maximum of four different symbols.at n=19A056478
• Number of primitive (period n) periodic palindromic structures using a maximum of four different symbols.at n=19A056515
• Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 7 sites wide.at n=46A058366
• Numbers k such that phi(sigma(k)+k) = sigma(k-phi(k)), where phi is A000010 and sigma is A000203.at n=39A063710
• a(n) = (2^n + 4)*(2^n - 1)/6.at n=9A076024
• Convoluted convolved Fibonacci numbers G_6^(r).at n=40A089111
• Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic residues mod p that are < p/2.at n=37A282721
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 805", based on the 5-celled von Neumann neighborhood.at n=15A284139
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 865", based on the 5-celled von Neumann neighborhood.at n=16A284301
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 865", based on the 5-celled von Neumann neighborhood.at n=16A284302
• A331776(n)/4.at n=21A332594