48220
domain: N
Appears in sequences
- Number of binary vectors of length n+1 beginning with 0 and containing just 1 singleton.at n=21A006367
- Column 2 of triangle A117418.at n=9A117420
- Triangle T, read by rows, formed by a column bisection of triangle A117418: column k of T equals column 2*k of A117418.at n=56A117425
- 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), (-1, 0, 0), (-1, 1, 1), (0, 0, 1), (1, 0, -1)}.at n=11A148298
- Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=10A279735
- a(n) is the number of multisets of n decimal digits where the sum of the digits equals the product of the prime digits.at n=31A384445