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 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 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 LINKS Table of n, a(n) for n=1..42. 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, 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

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Last modified September 10 06:17 EDT 2024. Contains 375773 sequences. (Running on oeis4.)