217088

Appears in sequences

• Triangle read by rows: T(n,k) (n >= 2, 0 <= k <= n) = number of over-all crude totals of unbranched k-5-catapolyheptagons.at n=44A038195
• Binomial transform of A084263.at n=13A084264
• (1,1) entry of powers of the orthogonal design shown below.at n=12A087621
• Expansion of g.f. (1 - x)^2*(1 + x) / (1 - 2*x)^2.at n=15A106472
• Numbers with 26 divisors.at n=14A137489
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 363", based on the 5-celled von Neumann neighborhood.at n=20A281417
• Smallest number k that cannot be expressed as x^2 + y^2 + z^2 + w^2 where x >= y >= z >= w >= 0 and x > floor(sqrt(k)) - n, but can be so expressed if x = floor(sqrt(k)) - n.at n=16A285552
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 542", based on the 5-celled von Neumann neighborhood.at n=17A289095
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 870", based on the 5-celled von Neumann neighborhood.at n=17A290625