18271

Appears in sequences

• Minimal number of moves for the cyclic variant of the Towers of Hanoi for 3 pegs and n disks, with the final peg one step away.at n=10A005665
• a(n) = [ a(n-1)/a(1) ] + [ a(n-3)/a(3) ] + [ a(n-5)/a(5) ] + ..., for n >= 3.at n=40A022872
• Composite numbers whose prime factors contain no digits other than 1 and 5.at n=24A036305
• Numbers n for which there are exactly eight k such that n = k + reverse(k).at n=38A072432
• Number of "sets of lists" (cf. A000262) with an odd number of lists.at n=7A088313
• Number of sets of even number of even lists, cf. A000262.at n=7A096965
• Floor(n^n/n!) - ceiling(2^n/n).at n=11A127642
• Dimension of space of measures of entanglement that are homogeneous of degree 2n, for the case of four qubits.at n=7A129549
• Numbers n such that n-+1 are divisible by exactly 6 primes, counted with multiplicity.at n=19A157486
• Nonprime numbers with all divisors starting and ending with digit 1.at n=37A208261
• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..6 array extended with zeros and convolved with 1,4,6,4,1.at n=20A221997
• First 5-digit number to appear n times in the decimal expansion of Pi.at n=34A277171
• Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.at n=5A298650
• Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.at n=4A298651
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.at n=49A298653
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.at n=50A298653
• Indices n for which the partial sums of sin(k) (0 <= k <= n) reach a new minimum.at n=32A322288
• Number of partitions of n into colored blocks of equal parts, such that all colors from a set of size nine are used and the colors are introduced in increasing order.at n=18A327292
• Numbers k such that at least 7 of k, k+1, ..., k+9 are divisible by their least prime factor squared.at n=1A328817
• Coefficient of x^n in the expansion of ( (1-x+x^3) / (1-x)^2 )^n.at n=8A372414