101426

Appears in sequences

• Positive numbers k such that k and 6*k are anagrams in base 8 (written in base 8).at n=0A023077
• 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, -1), (1, -1, -1), (1, 1, 1)}.at n=11A149079
• Number of one-sided n-step prudent walks, avoiding 4 or more consecutive east steps.at n=13A190360
• Number of nX2 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.at n=21A201426
• Area A under the trajectory of each odd number in the "3x+1" problem.at n=13A265673
• Coefficient of x^n in the expansion of ( (1-x+x^3) / (1-x) )^(2*n).at n=13A372416