A341184 Number of ways to write n as an ordered sum of 5 nonzero decimal palindromes.

1, 5, 15, 35, 70, 126, 210, 330, 495, 710, 981, 1310, 1695, 2130, 2605, 3106, 3615, 4110, 4575, 4980, 5311, 5555, 5705, 5760, 5725, 5611, 5435, 5210, 4975, 4735, 4511, 4320, 4170, 4065, 4005, 3986, 4005, 4040, 4100, 4175, 4241, 4310, 4380, 4450, 4520, 4590, 4665, 4740, 4810

Offset

5,2

Links

Alois P. Heinz, Table of n, a(n) for n = 5..10000

Mathematica

nmax = 53; CoefficientList[Series[Sum[Boole[PalindromeQ[k]] x^k, {k, 1, nmax}]^5, {x, 0, nmax}], x] // Drop[#, 5] &

Crossrefs

Cf. A002113, A136522, A319470, A341158, A341191, A341192, A341193, A341203, A341204, A341205, A341206, A341207.

Sequence in context: A008487 A000743 A138779 * A090580 A000332 A342213

Adjacent sequences: A341181 A341182 A341183 * A341185 A341186 A341187

Keyword

nonn,base

Author

Ilya Gutkovskiy, Feb 06 2021

Status

approved