149769
domain: N
Appears in sequences
- Number of stacks, or planar partitions of n; also weakly unimodal compositions of n.at n=28A001523
- a(n) = (11*n + 2)^2.at n=35A017414
- a(n) = (12*n + 3)^2.at n=32A017558
- Smallest extension of n-th prime which is a square.at n=34A030671
- Numbers k such that k + 1 has one more divisor than k.at n=37A055927
- Coefficients of power series A(x) consist entirely of squares, where A(x) = A083352(x)^2 + A083352(x) - 1.at n=26A083353
- Bisection of A001523.at n=14A100505
- Square numbers which are the sum of distinct double factorials (A006882).at n=30A115648
- Squares k such that k - 2 and k + 2 are prime.at n=10A144938
- Six-digit squares that are concatenation of two 3-digit primes.at n=5A153050
- Squares that become prime numbers when prefixed with an 8.at n=15A167723
- The numbers n^2 as n runs through the numbers which are palindromes in base 2.at n=39A192775
- Number of nX2 0..2 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=5A223189
- Number of nX6 0..2 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=1A223193
- T(n,k)=Number of nXk 0..2 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=22A223195
- T(n,k)=Number of nXk 0..2 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=26A223195
- Largest integer k in base n whose squared digits sum to sqrt(k).at n=13A226353
- Numbers whose sum of proper square divisors is a palindrome in base 10 having at least two digits.at n=14A232892
- Squares whose arithmetic mean of digits is 6 (i.e., the sum of digits is 6 times the number of digits).at n=2A316486
- Discriminants of totally real cubic fields with 2 associated nonconjugate fields.at n=24A329786