55965
domain: N
Appears in sequences
- Triangle of q-binomial coefficients for q=-4.at n=23A015112
- Triangle of q-binomial coefficients for q=-4.at n=25A015112
- Gaussian binomial coefficient [ n,2 ] for q = -4.at n=4A015253
- Gaussian binomial coefficient [ n,4 ] for q = -4.at n=2A015289
- Odd numbers with exactly 5 distinct prime factors.at n=26A046391
- Numbers k such that sopf(k) = sopf(k+3), where sopf(k) = A008472(k).at n=33A063969
- Structured hexagonal diamond numbers (vertex structure 5).at n=34A100178
- Odd squarefree abundant numbers.at n=20A112643
- Numbers n such that Lucas(prime(n)) is prime, where Lucas = A000032.at n=57A120561
- Odd unitary abundant numbers.at n=20A129485
- Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,3,1,1,1 for x=0,1,2,3,4.at n=8A197619
- Number of ballot sequences of length n having 4 largest parts.at n=11A244101
- Primitive, odd, squarefree abundant numbers.at n=20A249263
- Squarefree primitive abundant numbers (first definition: having only deficient proper divisors).at n=40A298973
- Odd non-coreful abundant numbers: the odd terms of A308127.at n=20A339938
- Odd nonexponential abundant numbers: odd numbers k such that A160135(k) > k.at n=33A348605
- Odd numbers k such that A360522(k) > 2*k.at n=20A360526
- Odd modified exponential abundant numbers: odd numbers k such that A241405(k) > 2*k.at n=20A379031