

A262554


Triangle read by rows: coefficients in Bell's formula for number of ways of making change when coins have denominations which are powers of 2.


2



1, 1, 1, 1, 3, 2, 1, 9, 16, 8, 1, 35, 130, 160, 64, 1, 201, 1424, 3272, 3072, 1024, 1, 1827, 23682, 91040, 151104, 114688, 32768, 1, 27337, 637328, 3872456, 10136576, 13165568, 8388608, 2097152, 1, 692003, 28867714, 268176288, 1041587776, 2061746176
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OFFSET

1,5


LINKS

Table of n, a(n) for n=1..42.
G. Blom and C.E. Froeberg, Om myntvaexling (On moneychanging) [Swedish], Nordisk Matematisk Tidskrift, 10 (1962), 5569, 103. [Annotated scanned copy]


EXAMPLE

Triangle begins:
1,
1,1,
1,3,2,
1,9,16,8,
1,35,130,160,64,
1,201,1424,3272,3072,1024,
1,1827,23682,91040,151104,114688,32768,
...


CROSSREFS

A002575 and A002576 are diagonals.
Cf. A181322, A262553.
Sequence in context: A336977 A106338 A282628 * A129964 A267328 A267425
Adjacent sequences: A262551 A262552 A262553 * A262555 A262556 A262557


KEYWORD

nonn,tabl


AUTHOR

N. J. A. Sloane, Oct 09 2015


EXTENSIONS

More terms from Sean A. Irvine, Oct 19 2015


STATUS

approved



