211058
domain: N
Appears in sequences
- Number of equilateral triangles formed out of matches that can be found in a hexagonal chunk of side length n in hexagonal array of matchsticks.at n=39A045949
- Starting positions of strings of four 0's in the decimal expansion of Pi.at n=20A083598
- Starting positions of strings of five 0's in the decimal expansion of Pi.at n=1A083599