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A103215 Numbers congruent to {1,2,5,10,13,17} mod 24. 1
1, 2, 5, 10, 13, 17, 25, 26, 29, 34, 37, 41, 49, 50, 53, 58, 61, 65, 73, 74, 77, 82, 85, 89, 97, 98, 101, 106, 109, 113, 121, 122, 125, 130, 133, 137, 145, 146, 149, 154, 157, 161, 169, 170, 173, 178, 181, 185, 193, 194, 197, 202, 205, 209, 217, 218, 221, 226 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (1,0,0,0,0,1,-1).

FORMULA

a(n)=(1/30)*{96*(n mod 6)-4*[(n+1) mod 6]+[(n+2) mod 6]-9*[(n+3) mod 6]+[(n+4) mod 6]+11*[(n+5) mod 6]} + 24*A054895 - Paolo P. Lava (paoloplava(AT)gmail.com), Nov 05 2007

G.f. x*(1+x+3*x^2+5*x^3+3*x^4+4*x^5+7*x^6) / ( (1+x)*(1+x+x^2)*(x^2-x+1)*(x-1)^2 ). - R. J. Mathar, Jul 02 2011

CROSSREFS

Union of A008784 and A103216.

Sequence in context: A187949 A180161 A099261 * A037942 A008784 A020893

Adjacent sequences:  A103212 A103213 A103214 * A103216 A103217 A103218

KEYWORD

nonn,easy

AUTHOR

Ralf Stephan, Jan 28 2005

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Last modified February 14 10:24 EST 2012. Contains 205614 sequences.