36805

Appears in sequences

• Sum of previous term and preceding non-divisors.at n=16A120610
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.at n=13A147044
• 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, 0, 1), (-1, 1, 0), (1, -1, 0), (1, 0, -1), (1, 1, 1)}.at n=8A149799
• Positive numbers y such that y^2 is of the form x^2+(x+343)^2 with integer x.at n=22A157246
• G.f.: exp( Sum_{n>=1} A005063(n)*x^n/n ), where A005063(n) = sum of squares of primes dividing n.at n=27A219224
• Expansion of chi(q)^5 / chi(q^5) in powers of q where chi() is a Ramanujan theta function.at n=25A225701
• a(n) is the least positive k such that A000041(n) divides A000041(n+k), or 0 if no such k exists.at n=47A346696