265225
domain: N
Appears in sequences
- Expansion of a modular function for Gamma_0(15).at n=24A002510
- Numbers n such that there are no primes between S(n) and S(n+1) inclusive where S is the Kempner function A002034.at n=2A015048
- Squares composed of digits {2,5,6}.at n=7A030484
- k^2 is a term if k^2 + (k-1)^2 and k^2 + (k+1)^2 are primes.at n=20A075577
- Squares whose decimal digits are nonsquares (2, 3, 5, 6, 7, 8).at n=21A077437
- Squares using only squarefree digits (2, 3, 5, 6, 7).at n=19A077676
- Squares sandwiched between two numbers divisible by squares.at n=33A088068
- Smallest integer m > n such that both n*m and (n+1)*(m+1) are squares.at n=25A212651
- Expansion of (chi(-x) * chi(-x^3))^-3 in powers of x where chi() is a Ramanujan theta function.at n=24A229180
- Numbers k such that tau(k+1) - tau(k) = 3, where tau(k) = the number of divisors of k (A000005).at n=33A230653
- Numbers n such that (i) the sum of prime divisors of n (with repetition) is one less than the sum of prime divisors (with repetition) of n+1, and (ii) n and n+1 have the same number of prime divisors (with repetition).at n=24A237929
- a(n) = n * (4*n + 3)^2.at n=25A322675
- Numbers k such that k and k+1 are both antiharmonic numbers (A020487).at n=7A335389
- Squares where larger digits have smaller multiplicity.at n=22A378498