A262551 Triangle read by rows: coefficients in Bell's formula for number of ways of making change with a certain set of coins.

1, 1, 1, 1, 9, 10, 1, 10, 19, 10, 1, 405, 2735, 4825, 2500, 1, 406, 3140, 7560, 7325, 2500, 1, 3953, 54077, 213505, 360580, 277200, 80000

Offset

1,5

Links

Table of n, a(n) for n=1..28.

G. Blom and C.-E. Froeberg, Om myntvaexling (On money-changing) [Swedish], Nordisk Matematisk Tidskrift, 10 (1962), 55-69, 103. [Annotated scanned copy]

Example

Triangle begins:
1,
1,1,
1,9,10,
1,10,19,10,
1,405,2735,4825,2500,
1,406,3140,7560,7325,2500,
1,3953,54077,213505,360580,277200,80000,
...

Crossrefs

Sequence in context: A318147 A324663 A109409 * A160563 A158286 A126839

Adjacent sequences: A262548 A262549 A262550 * A262552 A262553 A262554

Keyword

nonn,tabl,more

Author

N. J. A. Sloane, Oct 09 2015

Status

approved