37464

Appears in sequences

• Expansion of e.g.f.: tan(sinh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+12/4!*x^4-40/5!*x^5...at n=8A012512
• Expansion of e.g.f. arctanh(sinh(x) * log(x+1)).at n=8A012516
• Matrix 9th power of partition triangle A008284.at n=47A050303
• Numbers k such that phi(4k-1) = sigma(k).at n=9A067235
• Triangle read by rows, A095989 convolved with A000670.at n=38A163204
• Number of binary strings of length n with equal numbers of 0001 and 1001 substrings.at n=17A164162
• G.f. A(x) satisfies: A(x) = A(x^2) / (1 - 2*x).at n=14A309728