19601
domain: N
Appears in sequences
- Pell-Lucas numbers: numerators of continued fraction convergents to sqrt(2).at n=12A001333
- a(0) = 1, a(1) = 3; for n > 1, a(n) = 6*a(n-1) - a(n-2).at n=6A001541
- Interleave denominators (A000129) and numerators (A001333) of convergents to sqrt(2).at n=25A002965
- Numerators of continued fraction convergents to sqrt(8).at n=11A041010
- Numerators of continued fraction convergents to sqrt(18).at n=5A041026
- Numerators of continued fraction convergents to sqrt(32).at n=11A041052
- Numerators of continued fraction convergents to sqrt(50).at n=3A041084
- Numerators of continued fraction convergents to sqrt(72).at n=5A041126
- Numerators of continued fraction convergents to sqrt(98).at n=7A041176
- Numerators of continued fraction convergents to sqrt(162).at n=9A041298
- Numerators of continued fraction convergents to sqrt(200).at n=3A041370
- Numerators of continued fraction convergents to sqrt(242).at n=9A041452
- Numerators of continued fraction convergents to sqrt(288).at n=5A041542
- Numerators of continued fraction convergents to sqrt(392).at n=7A041744
- Numerators of continued fraction convergents to sqrt(450).at n=7A041856
- Numerators of continued fraction convergents to sqrt(648).at n=5A042244
- Numerators of continued fraction convergents to sqrt(800).at n=7A042542
- Numerators of continued fraction convergents to sqrt(882).at n=7A042704
- Numerators of continued fraction convergents to sqrt(968).at n=5A042872
- Numbers whose base-3 representation contains no 0's and exactly one 1.at n=40A044966