
2, 3, 4, 7, 8, 9, 13, 14, 15, 16, 61, 62, 63, 64, 65, 61, 62, 63, 64, 65, 66, 421, 422, 423, 424, 425, 426, 427, 841, 842, 843, 844, 845, 846, 847, 848, 2521, 2522, 2523, 2524, 2525, 2526, 2527, 2528, 2529, 2521, 2522, 2523, 2524, 2525, 2526, 2527, 2528, 2529
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..54.


FORMULA

T(n,k+1)=T(n,k)+1. T(n,0)=A075059(n).  R. J. Mathar, Mar 01 2007


EXAMPLE

2;
3 4;
7 8 9;
13 14 15 16;
61 62 63 64 65;
61 62 63 64 65 66;
...


CROSSREFS

Cf. A075059, A060401, A075062.
Sequence in context: A328134 A218785 A267373 * A032876 A032843 A023774
Adjacent sequences: A075058 A075059 A075060 * A075062 A075063 A075064


KEYWORD

nonn,tabl


AUTHOR

Amarnath Murthy, Sep 08 2002


EXTENSIONS

More terms from R. J. Mathar, Mar 01 2007


STATUS

approved

