32895

Appears in sequences

• Nonperiodic autocorrelation functions of length n.at n=16A006606
• Expansion of (1-x^5) / (1-x)^5.at n=34A008487
• Number of reversible string structures with n beads using exactly two different colors.at n=16A056326
• Number of primitive (aperiodic) reversible string structures with n beads using a maximum of two different colors.at n=16A056331
• Number of primitive (aperiodic) reversible string structures with n beads using exactly two different colors.at n=16A056336
• Numbers k such that phi(sigma(k)+k) = sigma(k).at n=21A068366
• Numbers having in binary representation a leading 1 followed by n zeros and n-1 ones.at n=7A092431
• Expansion of (1-3*x+3*x^2)/(1-5*x+10*x^2-10*x^3+4*x^4).at n=15A098179
• Numbers k such that (1/k)*sigma(k+1) is an integer.at n=4A110817
• a(n) is the smallest positive integer m with exactly n zeros and exactly n ones in its binary representation and with n represented in binary as a substring of the binary representation of m.at n=7A147762
• a(n) = 6*a(n-1) - 8*a(n-2)-3 for n > 1; a(0) = 35, a(1) = 135.at n=5A171473
• Triangle T(n,k) represents the coefficients of (x^9*d/dx)^n, where n=1,2,3,...;generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.at n=11A223511
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 313", based on the 5-celled von Neumann neighborhood.at n=36A271202
• a(n) = (2^n - (-1+i)^n - (-1-i)^n)/4 - 1 where i is the imaginary unit.at n=16A275016
• Sum of the areas of the distinct rectangles (and the areas of the squares on their sides) with positive integer sides such that L + W = n, W < L.at n=35A294139
• a(n) = Sum_{p in L(n)} 2^(pi(p) - 1) where L(n) is the set of all least primes in partitions of n into prime parts.at n=53A333259
• Number of catafusenes with 2n hexagons and C symmetry.at n=9A342554
• T(n,k) is the number of permutations of the multiset {1, 1, 2, 2, ..., n, n} with k occurrences of fixed pairs (j,j), where T(n,k), n >= 2, 0 <= k <= n-2 is a triangle read by rows.at n=12A375220
• a(n) is the graph corresponding to A076184(n), encoded as in A382754.at n=43A382756