41963
domain: N
Appears in sequences
- Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, -1), (1, 0)}.at n=10A151430
- Number of arrangements of 3 nonzero numbers x(i) in -n..n with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.at n=34A190072
- Numbers k such that k^4 = a^4 + b^4 + c^4 + d^4 has at least two positive primitive solutions.at n=1A331675