27670

Appears in sequences

• Co-growth function of a certain group.at n=10A007985
• Fibonacci sequence beginning 1, 6.at n=19A022096
• a(n) = Sum_{i=0..n} T(i,n-i), array T as in A049723.at n=29A049724
• 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, 0, 0), (-1, 1, 1), (0, -1, 1), (0, 1, 1), (1, 0, -1)}.at n=9A148984
• s(k)-s(j), where the pairs (k,j) are given by A205852 and A205853, and s(k) denotes the (k+1)-st Fibonacci number.at n=36A205854
• s(k)-s(j), where the pairs (k,j) are given by A205877 and A205878, and s(k) denotes the (k+1)-st Fibonacci number.at n=19A205879
• Number of (w,x,y) with all terms in {0,...,n} and w<x+y and x<y.at n=40A212980
• Values of x in the solutions to x^2 - 3xy + y^2 + 29 = 0, where 0 < x < y.at n=19A218735
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood.at n=35A272254
• Integers m, with k digits, such that m = Sum_{i=1..k} A066417(m without its i-th digit).at n=4A372753