21864
domain: N
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 MEP = Melanophlogite [Si46O92].qR starting with a T3 atom.at n=13A019155
- Expansion of 1/(1 - x^3 - x^4 + x^7 - x^10 - x^11 + x^14) (a Salem polynomial).at n=62A143644
- Numbers m such that m*reversal(m) contains every decimal digit exactly once.at n=7A178929
- Number of (w,x,y) with all terms in {0,...,n} and the numbers w,x,y,|w-x|,|x-y|,|y-w| distinct.at n=31A213493
- Number of integer partitions of n such that every orderless pair of distinct parts has a different sum.at n=41A325857
- Starts of runs of 4 consecutive integers that are greedy Jacobsthal-Niven numbers (A364379).at n=13A364382
- Starts of runs of 5 consecutive integers that are greedy Jacobsthal-Niven numbers (A364379).at n=7A364383