2101248
domain: N
Appears in sequences
- Sums of 2 distinct powers of 8.at n=25A038484
- Sums of two powers of 8.at n=32A055259
- Numbers k such that phi(prime(k)-1) == 0 (mod k).at n=22A067733
- Smallest k-almost prime between twin primes (for k >= 2).at n=14A068525
- Taxi-cab numbers n such that n-1 and n+1 are both prime.at n=2A272892
- Taxi-cab numbers (A001235) that are the sum of three positive cubes.at n=8A273219
- G.f. A(x) satisfies: A(x) = x + 2*A(x^2) + 4*A(x^3) + 8*A(x^4) + ... + 2^(k-1)*A(x^k) + ...at n=21A308076
- Read terms e = T(n,k) in A333624 as Product(prime(k)^e) for n in A334769.at n=15A334896
- Read terms e = T(n,k) in A333624 as Product(prime(k)^e) for n in A334769.at n=20A334896
- Taxicab numbers that are sandwiched between squarefree numbers.at n=20A371602
- Taxicab numbers that are abundant.at n=36A379466