251940

Appears in sequences

• Number of closed meander systems of order n+1 with n components.at n=8A006659
• Numerators of continued fraction convergents to sqrt(931).at n=10A042800
• Successive maxima in sequence A007365.at n=34A065933
• The fourth row of the ED4 array A167584.at n=19A167586
• Triangle associated with the set S of squares {0,1,4,9,16,...}.at n=59A186432
• Triangle associated with the set S of squares {0,1,4,9,16,...}.at n=61A186432
• Least common multiple of reversals of divisors of n in decimal representation.at n=74A188649
• Number of preferential arrangements of n labeled elements such that the minimal number of elements per rank equals 8.at n=12A245861
• Ordered set partitions of the set {1, 2, ..., 4*n} with all block sizes divisible by 4, irregular triangle T(n, k) for n >= 0 and 0 <= k < A000041(n), read by rows.at n=14A327024
• a(n) is the least positive integer k such that it has exactly n triples of divisors (d1, d2, d3) such that they are pairwise coprime and d1 < d2 < d3 < 2*d1.at n=4A336629
• Expansion of Sum_{k>=0} x^k/(1 + k^3 * x).at n=7A349857