159201
domain: N
Appears in sequences
- a(n) = (11*n + 3)^2.at n=36A017426
- a(n) = (12*n + 3)^2.at n=33A017558
- a(n) = (4*n^2 - 1)^2.at n=10A069075
- a(1) = 1, then least square such that every partial concatenation is a prime.at n=13A090257
- 6*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 5.at n=15A090775
- a(n) = ( n*(n+2) )^2.at n=19A099761
- Squares which are anagrams of cubes.at n=19A161860
- Denominator of 1/n^2-1/(n+2)^2.at n=19A171522
- a(n) = A203312(n+1)/A203312(n).at n=3A203513
- v(n+1)/v(n), where v=A203744.at n=3A203745
- Square root of A203764(n).at n=7A203765
- Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.at n=18A208114
- Odd half-Zumkeller numbers.at n=22A246199
- Number of permutations p of [n] such that 0p has a nonincreasing jump sequence.at n=11A291685
- Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).at n=13A316483
- "Primitive" numbers k such that k divides 4^k - 1.at n=38A323203
- Odd squares k, multiples of 3 and non-multiples of 5, such that sigma(k)/k >= 5/3.at n=7A388016