40288

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RSN = RUB-17 K4Na12[Zn8Si28O72].18H2O starting with a T4 atom.at n=14A019218
• A triangle sequence made symmetrical by reverse coefficients: t0(n,m)=(2 + n! - m! - (n - m)! + 2 + PartitionsP[n] - PartitionsP[ m] - PartitionsP[n - m]); t(n,m)=(t0(n,m)+Reverse[t0(n,m)])/2.at n=40A156046
• Number of partitions of 9*n-8 into parts having in decimal representation digital root 1.at n=33A156145
• Numbers n such that n!8+1 is prime (for n!8 see A114800).at n=47A204661
• Number of bipartite partitions of (i,j) with i+j = n into distinct pairs.at n=18A219555
• Number of length-n 0..5 arrays with no repeated value differing from the previous repeated value by one or less.at n=5A269603
• T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by one or less.at n=50A269606
• Number of length-6 0..n arrays with no repeated value differing from the previous repeated value by one or less.at n=4A269609
• Number of strict chains of divisors in A130091 (numbers with distinct prime multiplicities) starting with a proper divisor of n! and ending with 1.at n=8A337075
• Expansion of (1/x) * Series_Reversion( x / (1+x+x^4/(1+x)^3) ).at n=25A369592
• Number of achiral noncrossing partitions composed of n blocks of size 4.at n=13A369930
• Indices where the cumulative sum of cos(2k+1)^(2k+1) reaches a record high value.at n=34A389559
• a(n) = (1/(2*n+1)) * Sum_{k=0..n} (2*k+1) * binomial(4*n+2,n-k).at n=6A390776