30401

Appears in sequences

• Multiplicity of highest weight (or singular) vectors associated with character chi_127 of Monster module.at n=41A034515
• Octagonal numbers for which the sum of the digits is also an octagonal number.at n=12A117082
• Octagonal numbers for which both the sum and the product of the digits is also an octagonal number.at n=5A117084
• 3-almost prime octagonal numbers.at n=23A129927
• Octagonal numbers which are the sums of exactly two positive octagonal numbers.at n=19A136346
• a(n) = 76*n^2 + 1.at n=20A158767
• Expansion of x/(1 - x - 100*x^2).at n=5A162670
• Number of partitions p of n such that 1 + (1/2)*max(p) is a part of p.at n=49A238625
• Octagonal numbers with prime indices.at n=25A267144
• Number of squarefree parts in the partitions of n into 9 parts.at n=41A309463
• Octagonal numbers that are the product of three distinct primes.at n=18A382231
• Triangle read by rows: T(n,k) is the number of face-connected components of polyhedra with k prisms and n-k truncated cuboctahedra in the omnitruncated cubic honeycomb up to rotation and reflection, 0 <= k <= n.at n=29A384755