1001001
domain: N
Appears in sequences
- Numbers whose square is a palindrome.at n=38A002778
- Numbers whose cube is a palindrome.at n=16A002780
- Primes written in base 2.at n=20A004676
- Representation of n in base of Fibonacci numbers (the Zeckendorf representation of n). Also, binary words starting with 1 not containing 11, with the word 0 added.at n=27A014417
- Cyclotomic polynomials at x=10.at n=8A019328
- Cyclotomic polynomials at x=-10.at n=18A020509
- Divisors of 999999999.at n=11A027889
- Palindromes of form k^2 + k + 1.at n=9A028414
- Numbers k such that k^2 is a palindrome with an odd number of digits.at n=36A028816
- Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 1,0,0.at n=6A033146
- Lexicographically earliest strictly increasing base 6 autovarious sequence: a(n) = number of distinct a(k) mod 6^n (written in base 6).at n=27A038115
- Sums of 3 distinct powers of 10.at n=23A038445
- In the list of divisors of n (in binary), each digit 0-1 appears equally often.at n=6A045799
- Palindromes whose square is a palindrome; also palindromes whose sum of squares of digits is less than 10.at n=28A057135
- Palindromes only using 0 and 1 (i.e., base-2 palindromes).at n=16A057148
- Coefficients of irreducible polynomials over GF(2) listed in lexicographic order.at n=15A058943
- a(n) = n^6 + n^3 + 1.at n=10A060883
- Palindromes that are the sum of two shorter palindromes.at n=18A062696
- Positions of nonzero coefficients in cyclotomic polynomial Phi_n(x), A063670 in binary.at n=18A063671
- Positions of nonzero coefficients in cyclotomic polynomial Phi_n(x), A063670 in binary.at n=9A063671