109782

Appears in sequences

• a(n) = round(n*phi^18), where phi is the golden ratio, A001622.at n=19A004953
• a(n) = ceiling(n*phi^18), where phi is the golden ratio, A001622.at n=19A004973
• Split positive integers into extending even groups and sum: 1+2, 3+4+5+6, 7+8+9+10+11+12, 13+14+15+16+17+18+19+20, ...at n=38A061317
• The hyper-Wiener index of the meta-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).at n=8A216111