Search: id:A114140 Results 1-1 of 1 results found. %I A114140 %S A114140 1,1,2,3,5,9,15,26,44,75,129,220,377,644,1101,1883,3219,5505,9412,16093, %T A114140 27518,47051,80453,137563,235215,402188,687688,1175860,2010567,3437810, %U A114140 5878212,10050981,17185883,29385638,50245647,85913568,146901103,251181919 %N A114140 Number of ordered sequences of coins (each of which has value 1, 2, 5, 10 or 20) which add to n. %C A114140 Equivalently, number of sequences of coins (each of which has value 5, 10, 25, 50 or 100) which add to 5n. %C A114140 Based on "silver" US coins as of Feb 22 2006. %F A114140 G.f.: 1/(1-(x+x^2+x^5+x^10+x^20)). %Y A114140 Cf. A114044, A073031, A114138. %Y A114140 Sequence in context: A079971 A073031 A114138 this_sequence A096816 A018157 A003065 %Y A114140 Adjacent sequences: A114137 A114138 A114139 this_sequence A114141 A114142 A114143 %K A114140 nonn %O A114140 0,3 %A A114140 David S. Johnson (dsj(AT)research.att.com) and N. J. A. Sloane (njas(AT)research.att.com), Feb 22 2006 Search completed in 0.001 seconds