186240

Appears in sequences

• Number of primitive (aperiodic) palindromes using exactly four different symbols.at n=17A056465
• The Wiener index of the tetrameric 1,3-adamantane TA(n) (see the Fath-Tabar et al. reference).at n=14A216106
• G.f. = Phi^5, where Phi = g.f. for A028930.at n=33A328530