220150628352
domain: N
Appears in sequences
- 3 people at a party are saying Hello to each other. Person 1 says Hello. Person 2 counts the times Hello has been said and says Hello twice that number. Person 3 says Hello 3 times the sum of Hello's and then it is Person 1 again. This is how many Hello's each person says.at n=25A076505
- Expansion of 2*x*(1+4*x+8*x^2)/(1-24*x^3).at n=24A076508
- a(n) = numerator of Product_{k=1..n} (1 + {n/k}), where {x} is the fractional part of x, {x} = x - floor(x).at n=23A128778
- a(n) is denominator of rational z(n) associated with the non-orientable map asymptotics constant p((n+1)/2).at n=10A278121