72302

Appears in sequences

• Taylor series related to one in Ramanujan's Lost Notebook.at n=34A006305
• Number of distributive lattices; also number of paths with n turns when light is reflected from 7 glass plates.at n=7A025030
• Numbers k such that 5*10^k + 9 is prime.at n=17A103004
• Number of partitions p of n such that max(p) - min(p) is not a part of p.at n=44A238494
• Expansion of (1 + 26*x + 109*x^2 + 109*x^3 + 26*x^4 + x^5) / (1 - x)^8.at n=6A244881
• Number of weak up-down sequences of length n and values in {1,2,...,n}.at n=7A276313