53360
domain: N
Appears in sequences
- Numbers k such that sigma(k^2-k-1) = k*(k+1).at n=38A069826
- a(n) = 4*(3*n+1)*(3*n+2).at n=38A144410
- Number of nondecreasing integer sequences of length 31 with sum zero and sum of absolute values 2n.at n=15A158165
- a(n) = (n-1)*(n+2)*(n^2 + n + 2)/4.at n=20A168566
- Number of nX3 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.at n=2A278606
- T(n,k)=Number of nXk 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.at n=12A278610
- Bases b for which there exists an integer y such that y^3 in base b looks like [c,d,e,c,d,e] for base-b digits c,d,e.at n=22A290185
- Numbers k such that k and k+1 are both half-Zumkeller numbers (A246198).at n=11A331371
- Number of integer partitions of n whose negated run-lengths are unimodal.at n=47A332638
- Smallest integer that is the sum of a prime and the square of a prime in n or more ways.at n=34A381333
- Smallest integer that is the sum of a prime and the square of a prime in exactly n ways.at n=34A381334