100222

Appears in sequences

• Smallest number m such that the Levenshtein distance of m and its reversal equals n.at n=6A248336
• Numbers <= 10^6 with valid Luhn mod 10 check digit, sorted lexicographically.at n=25A249854
• Number of representations of 2^n - 1 as a sum (p*q + p*r + q*r) with three odd primes p <= q <= r.at n=58A369241
• Ternary numbers consisting of a run of 1's, then a run of 0's, then a run of 2's.at n=12A371055
• Ternary numbers that are concatenated runs A(1)B(1)C(1)A(2)B(2)C(2)...A(k)B(k)C(k), where A(i) is a run of 1's, B(i) a run of 0's, and C(i) a run of 2's, for i = 1..k.at n=12A371105