42658

Appears in sequences

• a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026747.at n=15A026869
• Numerators of continued fraction convergents to sqrt(485).at n=2A041924
• 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, 0), (-1, 1, 0), (0, 0, -1), (1, 0, 1), (1, 1, -1)}.at n=9A149352
• Euler transform of A051064, the ruler function sequence for k=3.at n=33A173241
• Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=9A240758
• Number of length n+3 0..2 arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.at n=11A250381
• Number of nX4 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.at n=11A297872
• Smallest starting x which reaches the Antihydra halting condition for the first time at 3*n+1 terms of the iteration x -> floor(3*x/2).at n=20A385150