A075346 - OEIS

%I #6 Sep 26 2015 15:34:24

%S 2,1,3,6,11,15,22,28,36,45,55,66,78,92,105,121,136,153,171,190,210,

%T 232,253,276,300,324,351,378,406,435,465,496,528,561,595,630,666,704,

%U 741,780,820,861,903,946,990,1035,1081,1127,1176,1225,1274,1326,1378,1431

%N Initial terms of groups in A075345.

%C a(n) = A075348(n,1). - _Reinhard Zumkeller_, Sep 26 2015

%H Reinhard Zumkeller, <a href="/A075346/b075346.txt">Table of n, a(n) for n = 1..1000</a>

%o (Haskell)

%o a075346 = head . a075348_row  -- _Reinhard Zumkeller_, Sep 26 2015

%Y Cf. A075345, A075347.

%Y  Cf. A075348.

%K nonn

%O 1,1

%A _Amarnath Murthy_, Sep 19 2002

%E More terms from _David Wasserman_, Jan 16 2005