66784
domain: N
Appears in sequences
- Numbers n such that phi(reverse(n)) = phi(reverse(n-1)) + phi(reverse(n-2)).at n=32A069969
- Number of nX4 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=7A200773
- T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=58A200777
- Starts of runs of 4 consecutive positive negabinary-Niven numbers (A331728).at n=19A331824
- Number of compositions of n whose run-lengths are unimodal.at n=18A332726