74919

Appears in sequences

• a(n) = T(3n,n), where T is the array in A026300.at n=6A026303
• Number of primitive (period n) step cyclic shifted sequence structures using a maximum of six different symbols.at n=11A056443
• Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 18 (most significant digit on right).at n=21A061947
• 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), (0, 0, 1), (0, 1, -1), (0, 1, 1), (1, 0, 0)}.at n=8A151101
• Table of consecutive numbers with the same sum of divisors.at n=39A225757
• Numbers k that divide sigma(k) - sigma(k-1).at n=27A227307
• Numbers k such that sigma(k) = sigma(k-1).at n=19A231546
• Numbers k such that tau(k) = 2*tau(k-1) and sigma(k) = sigma(k-1), where tau(k) and sigma(k) are respectively the number and sum functions of the divisors of k.at n=1A347603