87119
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Primes p such that 11 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248).at n=30A080187
- a(n) = 80*n^2 - 1.at n=32A158774
- Number of (n+1)X3 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=6A184088
- Number of (n+1)X8 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=1A184093
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=29A184095
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=34A184095
- Primes of the form 5n^2 - 1.at n=34A201783
- Primes obtained by merging 5 successive digits in the decimal expansion of sqrt(2) + sqrt(3) + sqrt(5).at n=4A241221
- Prime numbersat n=8460