20683
domain: N
Appears in sequences
- Taxi-cab numbers: sums of 2 cubes in more than 1 way.at n=3A001235
- Numbers that are the sum of 2 cubes in more than 1 way (primitive solutions).at n=2A018850
- Numbers whose 4th power can be expressed as the sum of two positive cubes in more than one way.at n=12A051388
- 33-gonal numbers: n(31n-29)/2.at n=37A098923
- Numbers which are the sum of two positive cubes and divisible by 37.at n=26A102618
- Cubefree taxi-cab numbers.at n=1A272885
- Taxi-cab numbers (A001235) that are the product of exactly three (not necessarily distinct) primes.at n=1A272935
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 793", based on the 5-celled von Neumann neighborhood.at n=27A273566
- Positive numbers that are the sum of two (possibly negative) cubes in at least 2 ways (primitive solutions).at n=33A293647
- Sum of two (possibly negative) coprime cubes in at least 2 ways, but not the sum of 2 noncoprime cubes.at n=17A293648
- Sum of two coprime positive cubes in at least 2 ways, but not the sum of 2 non-coprime positive cubes.at n=1A293649
- Numbers that are the sum of two positive cubes in exactly two ways.at n=3A343708
- Taxicab numbers that are sandwiched between nonsquarefree numbers.at n=0A372296
- Taxicab numbers that are deficient.at n=1A379849