48849

Appears in sequences

• Molien series for alternating group Alt_12 (or A_12).at n=45A008635
• Number of partitions of n into at most 12 parts.at n=45A008641
• Number of primitive (period n) periodic palindromes using a maximum of two different symbols.at n=29A056493
• Number of primitive (period n) periodic palindromes using exactly two different symbols.at n=29A056498
• Row sums of triangle A145370 (S1hat(-4)) and partition array A145359 (M31hat(-4)).at n=10A145371
• Expansion of Sum_{k>=2} x^Fibonacci(k)/(1 - x^Fibonacci(k)) / Product_{k>=2} (1 - x^Fibonacci(k)).at n=45A281689
• Numbers k such that w(k-2), w(k-1), and w(k) are all odd, where w is A336957.at n=19A338070
• a(n) = Sum_{k=1..n} (-1)^(k+1) * floor(n/k)^4.at n=14A344722