54840

Appears in sequences

• When expressed in base 2 and then interpreted in base 3, is a multiple of the original number.at n=33A062845
• a(n) = 2*binomial(n+4, 4) + n + 4.at n=26A177206
• Let S denote the palindromes in the language {0,1,2,...,n-1}*; a(n) = number of words of length 4 in the language SS.at n=29A187277
• Expansion of phi(-q^6) / phi(-q) in powers of q where phi() is a Ramanujan theta function.at n=29A262968