3090909

Appears in sequences

• a(n) = Smallest nontrivial number k > 9 such that |first (leftmost) decimal digit of k - second digit + third digit - fourth digit ...| = n.at n=30A060982
• Smallest number m such that first digit - second digit + third digit - fourth digit ... (of m) = n.at n=30A061479
• a(n) = Smallest nontrivial number k > 9 such that first (leftmost) digit - second digit + third digit - fourth digit ... of k = n.at n=30A061882
• Minimum number k for which the digital sum of k*n is 3*n.at n=22A147823