198400

Appears in sequences

• E.g.f.: log(cosh(x)+arctan(x))=x-3/3!*x^3+12/4!*x^4-7/5!*x^5-168/6!*x^6...at n=10A013188
• Row sums of triangle A120073 (denominator triangle for H atom spectrum).at n=14A120075
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (-1, 1, 1), (1, -1, 1), (1, 1, 0)}.at n=10A149222
• Numbers D such that D^2 = A^3 + B^4 + C^5 has more than one solution in positive integers (A, B, C).at n=34A256603
• Integers k such that A037278(k) is a term of A175252.at n=37A357692