71289
domain: N
Appears in sequences
- a(n) = (8n + 3)^2.at n=33A017102
- a(n) = (9*n + 6)^2.at n=29A017234
- a(n) = (10*n + 7)^2.at n=26A017354
- a(n) = (11*n + 3)^2.at n=24A017426
- a(n) = (12*n + 3)^2.at n=22A017558
- Smallest extension of n-th prime which is a square.at n=19A030671
- Number of ternary rooted trees with n nodes and height exactly 7.at n=17A036422
- Odd refactorable numbers.at n=29A036896
- Square refactorable numbers.at n=37A036907
- Squares with initial digit '7'.at n=10A045791
- a(n) and floor(a(n)/6) are both squares; i.e., squares that remain squares when written in base 6 and last digit is removed.at n=9A055851
- Smaller of the two successive squares which differ in the use of only one digit.at n=29A078187
- Smallest square obtained by inserting one or more digits between every pair of consecutive digits of n^2.at n=26A080438
- a(1) = 1, then least square such that every partial concatenation is a prime.at n=32A090257
- Squares of the form n+prime(n).at n=26A104992
- Perfect powers which have the form prime(n) + n for some n.at n=32A107606
- Squares for which the sum of the digits are cubes.at n=24A117685
- RF(3): refactorable numbers with smallest prime factor 3.at n=27A120319
- a(n) = (14*n+1)^2.at n=19A134934
- Discriminant of the 47 imaginary, bicyclic, biquadratic fields with class number 1.at n=31A159456