A082217 Smallest palindrome beginning with n and digit sum n, or 0 if no such number exists.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10801, 11711, 12621, 13531, 14441, 15351, 16261, 17171, 1881, 0, 208802, 2139312, 227722, 2329232, 246642, 2519152, 265562

Offset: 1

Author

Amarnath Murthy and Meenakshi Shrikant (menakan_s(AT)yahoo.com), Apr 09 2003

Keywords

• base
• easy
• nonn

Comments

a(19) = 0. This is the only zero in the sequence. Every other integer k > 9 has digit sum <= k/2, so the center can always be filled in to make a palindrome.

Crossrefs

Cf. A056544, A082216.