408429

Appears in sequences

• Number of n-node unrooted steric quartic trees; number of n-carbon alkanes C(n)H(2n+2) taking stereoisomers into account.at n=18A000628
• a(n) = round(n*phi^20), where phi is the golden ratio, A001622.at n=27A004955
• a(n) = ceiling(n*phi^20), where phi is the golden ratio, A001622.at n=27A004975
• Euler transform of n^3 * A065960(n).at n=5A381709