75020
domain: N
Appears in sequences
- Moebius transform of Fibonacci numbers.at n=24A007436
- Expansion of 1/(1-x^2-2*x^3).at n=29A052947
- Expansion of (1 + x)^2 / ((1 - x^2 - 2*x^3)*(1 + x^4)).at n=27A107849
- Number of compositions of n into odd and relatively prime parts.at n=24A108700
- A054525 * A000041.at n=44A133732
- Expansion of x^2/(1-x^2-2*x^3).at n=31A159287
- a(n) = Fibonacci(n) - 5.at n=20A167616
- s(k)-s(j), where the pairs (k,j) are given by A205877 and A205878, and s(k) denotes the (k+1)-st Fibonacci number.at n=22A205879
- a(n) = Fibonacci(n^2) - Fibonacci(n).at n=4A211488
- a(n) = binomial(n+5,5) + 4*binomial(n+4,5) + 4*binomial(n+3,5) + binomial(n+2,5).at n=14A244864
- Integers k such that k + 1 has a divisor that is an anagram of k, which must have the same number of digits as k.at n=32A384597