52955

Appears in sequences

• 10-gonal (or decagonal) pyramidal numbers: a(n) = n*(n + 1)*(8*n - 5)/6.at n=34A007585
• a(n) = binomial(n,4) + binomial(n,2).at n=34A055795
• Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+2), n>=0.at n=14A067980
• Odd decagonal pyramidal numbers.at n=17A218330
• Array read by antidiagonals: T(m,n) = number of connected dominating sets in the grid graph P_m X P_n.at n=31A291872
• Array read by antidiagonals: T(m,n) = number of connected dominating sets in the grid graph P_m X P_n.at n=32A291872
• Number T(n,k) of proper multisets of nonempty words with a total of n letters over k-ary alphabet such that all k letters occur at least once in the multiset; triangle T(n,k), n>=2, 1<=k<=n-1, read by rows.at n=24A320264
• Tetraprimes (or products of exactly four distinct prime numbers) that are the sum of two successive tetraprimes.at n=24A380348