44163
domain: N
Appears in sequences
- a(1)=1, a(2)=2, a(3)=11, a(4)=19; a(n) = a(n-4) + sqrt(60*a(n-2)^2 + 60*a(n-2) + 1) for n >= 5.at n=10A103200
- Numbers k such that 60*k^2 + 60*k + 1 is a square.at n=11A105076
- Numbers k such that k, k+1, k+2 and k+3 are products of 4 primes.at n=17A124728
- 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), (0, 1, 0), (1, 0, -1), (1, 1, 1)}.at n=8A150618
- Numbers that are the sum of four third powers in eight or more ways.at n=14A345152
- Numbers that are the sum of four third powers in exactly eight ways.at n=11A345153
- a(0) = 1, a(1) = 0, a(2) = 1; a(n) = a(n-1) + Sum_{k=0..n-3} a(k) * a(n-k-3).at n=19A357307