121173

Appears in sequences

• Numbers that are the sum of 8 positive 10th powers.at n=20A004808
• Numbers j such that 8*(j^2) + 9 = k^2 for some positive number k.at n=7A106328
• Dispersion of the sequence ([r*n] + 1: n >= 1), where r = 3 + 8^(1/2): square array D(n,m) (n, m >= 1), read by ascending antidiagonals.at n=42A120859
• Numbers m such that m^2=A125650(k) for some k (belonging A125651).at n=7A125652
• a(n) = sqrt(A299921(n)).at n=21A301318
• a(0)=3, a(1)=105, a(2)=3567; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).at n=3A350986