41581

Appears in sequences

• a(n) = a(n-1)+a(n-4).at n=32A014097
• Strong pseudoprimes to base 97.at n=23A020323
• Numbers whose set of base-14 digits is {1,2}.at n=36A032934
• Smallest number that is centered polygonal in exactly n ways.at n=18A063773
• A partial product representation of A006131 and A072265.at n=20A072270
• Numerators of Taylor series for log(tan(x)+1/cos(x)).at n=6A091912
• a(n) = n^3 - n^2 - 2*n + 1.at n=35A123972
• a(n) = n*(n^2 + 2*n - 1)/2.at n=42A127736
• Wiener index of the Moebius ladder M(n).at n=42A180857
• Right edge of the triangle A045975.at n=42A204557
• O.g.f.: Sum_{n>=0} x^n * Product_{k=1..n} (k^2 + x)/(1 + k^2*x).at n=6A230682
• Largest divisor of A246006(n) whose prime factors are all >= n+2.at n=13A241601
• a(n) = the least integer that is centered polygonal in exactly n ways.at n=17A279830
• Number of minimum edge covers in the n-dipyramidal graph.at n=42A298822
• Number of non-isomorphic multiset partitions of weight n with no constant parts and only two distinct vertices.at n=26A323654
• Number of compositions of 2n where the multiplicity of the first part equals n.at n=11A332051
• Number of partitions p of n such that max(p) == 1 mod 3.at n=47A373014