153508

Appears in sequences

• Length of hypotenuse squared in right triangle formed by a palindromic spiral plotted in Cartesian coordinates.at n=36A048871
• Expansion of 1/(1 - x - x^2 + x^4 - x^6).at n=30A117791
• Number of permutations of floor(i*7/6), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.at n=9A147904
• Number of permutations of floor(i*7/6), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.at n=9A147913