22156
domain: N
Appears in sequences
- Numbers k whose decimal representation, read as a base-17 value and divided by k, yields an integer.at n=15A032565
- Numbers n such that P(11*n) is prime where P(n) is the partition number.at n=24A113499
- a(n) = floor((x^n - (1-x)^n)/sqrt(2)+ 1/2) where x = (sqrt(2)+1)/2.at n=54A136421
- Number of binary strings of length n with equal numbers of 00001 and 00010 substrings.at n=15A164192
- Triangular matrix T that satisfies: T^3 - T^2 + I = SHIFT_LEFT(T), as read by rows.at n=60A185620
- Integers that are Rhonda numbers to base 18.at n=7A255735
- Number T(n,k) of permutations of [n] having exactly k consecutive 3-term arithmetic progressions; triangle T(n,k), n>=0, 0<=k<=max(n-2,0), read by rows.at n=32A295390