23093

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CAS = Cesium Aluminosilicate (Araki) Cs4[Al4Si20O48] starting with a T3 atom.at n=13A019090
• Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 22.at n=50A051963
• Interprimes which are of the form s*prime, s=7.at n=24A075282
• n+p(n)+p(p(n)) is a palindrome, where p(n) denotes the n-th prime.at n=36A116037
• a(n) = 29 + 73*n + 37*n^2.at n=24A145980
• Number of ways to place zero or more nonadjacent 1,0 2,0 2,1 2,2 3,0 3,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155315
• Number of partitions of n where the minimal multiplicity of any part is 2.at n=61A244515
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) - 1, where a(0) = 2, a(1) = 4, b(0) = 1, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A295961
• Number of integer partitions of n without all distinct multiplicities.at n=38A336866