A341205 Number of ways to write n as an ordered sum of 8 nonzero decimal palindromes.
1, 8, 36, 120, 330, 792, 1716, 3432, 6435, 11432, 19392, 31592, 49652, 75552, 111624, 160512, 225093, 308352, 413232, 542424, 698146, 881912, 1094312, 1334824, 1601679, 1891800, 2200836, 2523256, 2852636, 3181936, 3503900, 3811488, 4098313, 4359048, 4589768, 4788192, 4953860
Offset: 8
Links
- Alois P. Heinz, Table of n, a(n) for n = 8..10000
Crossrefs
Programs
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Mathematica
nmax = 44; CoefficientList[Series[Sum[Boole[PalindromeQ[k]] x^k, {k, 1, nmax}]^8, {x, 0, nmax}], x] // Drop[#, 8] &