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A017533
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a(n) = 12*n + 1.
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40
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1, 13, 25, 37, 49, 61, 73, 85, 97, 109, 121, 133, 145, 157, 169, 181, 193, 205, 217, 229, 241, 253, 265, 277, 289, 301, 313, 325, 337, 349, 361, 373, 385, 397, 409, 421, 433, 445, 457, 469, 481, 493, 505, 517, 529, 541, 553, 565, 577, 589, 601, 613, 625, 637
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = 12*n + 1, n >= 0.
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MAPLE
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MATHEMATICA
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CoefficientList[Series[(1+11x)/(1-x)^2, {x, 0, 60}], x] (* Michael De Vlieger, Apr 05 2017 *)
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PROG
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(C)
#include<stdio.h>
int main(){
int n;
for(n=0; n<=100; n++)
printf("%d, ", 12*n + 1);
return 0;
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CROSSREFS
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Cf. A161700, A005408, A016813, A016921, A017281, A158057, A161705, A161709, A161714, A128470, A016945, A287326 (third column).
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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