18104

Appears in sequences

• Erroneous version of A032522.at n=17A000017
• Shifts 2 places left when convolved with itself.at n=16A007477
• Number of proper factorizations of p1^n*p2^3, where p1 and p2 are distinct primes.at n=19A031126
• Number of point symmetric solutions to non-attacking queens problem on n X n board.at n=17A032522
• Number of partitions of n into parts not of the form 25k, 25k+12 or 25k-12. Also number of partitions with at most 11 parts of size 1 and differences between parts at distance 11 are greater than 1.at n=37A036011
• a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1 and a(2) = a(3) = 3.at n=14A049974
• Number of parts > 1 in the last section of the set of partitions of n.at n=34A138135
• Number of permutations of 1..n containing the relative rank sequence { 156423 } at any spacing.at n=3A159131
• Number of parts in all partitions of 2n+1 that do not contain 1 as a part.at n=17A182735
• Number of length n+7 0..1 arrays with at most two downsteps in every 7 consecutive neighbor pairs.at n=7A256815
• Number of n X 3 0..1 arrays with every element unequal to 2 or 3 horizontally or vertically adjacent elements, with upper left element zero.at n=18A303631