28468

Appears in sequences

• Otto Haxel's guess for magic numbers of nuclear shells.at n=44A033547
• Starting index of a string of 4 or more consecutive equal digits in decimal expansion of Pi.at n=24A049516
• Starting index of a string of 5 or more consecutive equal digits in decimal expansion of Pi.at n=5A049517
• Starting index of a string of exactly 5 consecutive equal digits in decimal expansion of Pi.at n=3A049521
• 10000n+1, 10000n+3, 10000n+7, 10000n+9 are all primes.at n=13A064963
• Starting positions of strings of three 3's in the decimal expansion of Pi.at n=17A083610
• Starting positions of strings of four 3's in the decimal expansion of Pi.at n=1A083611
• Triangle read by rows: T(n,k) = number of peakless Motzkin paths of length n containing k U H^j Us for some j>0, where U=(1,1) and H=(1,0) (can be easily expressed using RNA secondary structure terminology).at n=45A097777
• Number of (w,x,y,z) with all terms in {0,...,n} and w=[R/2], where R=max{w,x,y,z}-min{w,x,y,z} and [ ]=floor.at n=31A212758
• Number of pointed multiset partitions of normal pointed multisets of weight n.at n=5A262671
• Growth series for affine Coxeter group (or affine Weyl group) D_11.at n=7A266766
• Growth series for affine Coxeter group B_11.at n=7A267174
• Number of unordered pairs of n-bit numbers x, y such that gcd(x,y) = xor(x,y).at n=14A389271