44685

Appears in sequences

• Numbers k such that 3*2^k + 1 is prime.at n=28A002253
• Binomial transform of Chebyshev coefficients A006974.at n=6A081280
• Numbers k such that 3*2^k + 1 is a prime factor of a generalized Fermat number 3^(2^m) + 1 for some m.at n=20A268657
• Numbers k such that 3*2^k + 1 is a prime factor of a generalized Fermat number 10^(2^m) + 1 for some m.at n=1A268659
• Numbers k such that 3*2^k + 1 is a prime factor of a generalized Fermat number 7^(2^m) + 1 for some m.at n=10A282943
• Numbers k such that half the numbers from 0 to k inclusive contain the digit "1".at n=11A344636