25258

Appears in sequences

• sin(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4-10/6!*x^6-1160/8!*x^8...at n=4A012555
• Equal count of primes congruent to 1 mod 4 and 3 mod 4 associated with primes in A007351 (the zero beginning the sequence indicates the prime 2).at n=33A092198
• a(n) = (n + 1/3)*2^(n-1) - 1/2 + (-1)^(n-1)*(1/6).at n=11A127981
• 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, 1), (0, 1, -1), (1, 0, 0), (1, 0, 1), (1, 1, 1)}.at n=7A151194
• Number of binary strings of length n with no substrings equal to 0000 0101 or 0111.at n=17A164433
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^2<=x^2+y^2.at n=35A211806
• Number of colored integer partitions of n using all colors of a 2-set such that all parts have different color patterns and a pattern for part i has i colors in (weakly) increasing order.at n=17A327598