140028
domain: N
Appears in sequences
- a(1) = a(2) = 1, a(3) = 4; thereafter a(n) = a(n-1) + a(n-3).at n=30A001609
- a(n) = A078153(2^n).at n=14A078158
- a(n) = a(n-1) + a(n-2) - [a(n-4)/4] - [a(n-5)/2] - [a(n-6)/4].at n=30A173597
- a(n) = round(c^n), where c is the supergolden ratio A092526.at n=31A382641
- a(n) = a(n-1)+2*a(n-2)+a(n-3) with a(0)=1, a(1)=4, a(2) = 6.at n=15A384367