60390
domain: N
Appears in sequences
- (s(n)+s(n+1))/6, where s()=A006521.at n=26A016059
- Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^11 in powers of x.at n=27A047649
- (A192380)/2.at n=10A192381
- a(n) = n^4/2-5*n^3/2+21*n-30.at n=18A217530
- Number of 4-irreducible maps made up of two hexagons and n squares.at n=9A228704
- Number of length n+7 0..2 arrays with at most two downsteps in every 7 consecutive neighbor pairs.at n=3A255621
- Number of length n+4 0..2 arrays with at most two downsteps in every n consecutive neighbor pairs.at n=6A255626
- Numbers k such that A073734(k) is neither squarefree nor a prime power.at n=31A365899
- Expansion of Sum_{k>=1} k^4 * x^k/(1 - x^k)^4.at n=14A366933
- Smallest k such that A073734(k) = n, where A073734 is the GCD of consecutive terms of the EKG sequence A064413.at n=27A382222