434721
domain: N
Appears in sequences
- Octagonal numbers for which the sum of the digits is also an octagonal number.at n=30A117082
- Number of nX3 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=5A201831
- Number of nX6 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=2A201834
- T(n,k)=Number of nXk 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=30A201836
- T(n,k)=Number of nXk 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=33A201836
- Odd octagonal numbers indexed by triangular numbers.at n=19A243201
- Octagonal numbers (A000567) in which parity of digits alternates.at n=33A297647