131006

Appears in sequences

• Number of primitive (aperiodic) palindromes using a maximum of two different symbols.at n=32A056458
• Number of primitive (aperiodic) palindromes using exactly two different symbols.at n=32A056463
• Number of primitive (period n) periodic palindromes using a maximum of two different symbols.at n=32A056493
• Number of primitive (period n) periodic palindromes using exactly two different symbols.at n=32A056498
• a(0) = 10; for n > 0, a(n) is determined by the rule that the concatenation of the leading terms of the difference triangle is the same as the concatenation of the digits of the sequence.at n=15A125588