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 A073993 Number of strings of length n over Z_6 with trace 3 and subtrace 4. 22
 0, 0, 0, 24, 180, 1080, 7056, 48384, 308448, 1806624, 10349856, 60217344, 356638464, 2139830784, 12940881408, 78328332288, 472093588224, 2832561529344, 16960580969472, 101565116448768, 608795590588416, 3652649829734400, 21926115464435712, 131620960833896448 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS Max Alekseyev, PARI/GP scripts for miscellaneous math problems FORMULA a(n; t, s) = a(n-1; t, s) + a(n-1; t+5, s+5t+1) + a(n-1; t+4, s+4t+4) + a(n-1; t+3, s+3t+3) + a(n-1; t+2, s+2t+2) + a(n-1; t+1, s+t+1) where t is the trace and s is the subtrace. CROSSREFS Cf. A073971, A073972, A073973, A073974, A073975, A073976, A073977, A073978, A073979, A073980, A073981, A073982, A073983, A073984, A073985, A073986, A073987, A073988, A073989, A073990, A073991, A073992, A073994. Sequence in context: A297522 A165187 A052761 * A214310 A052758 A241434 Adjacent sequences: A073990 A073991 A073992 * A073994 A073995 A073996 KEYWORD easy,nonn AUTHOR Frank Ruskey and Nate Kube, Aug 16 2002 EXTENSIONS Terms a(11) onward from Max Alekseyev, Apr 09 2013 STATUS approved

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Last modified March 26 04:40 EDT 2023. Contains 361529 sequences. (Running on oeis4.)