Now is the time of year when we ask all users of the OEIS for their annual support.
Click here to donate
to the OEIS Foundation using PayPal or in other ways.
Sequence found by reading the line from 0, in the direction 0, 24,..., in the square spiral whose vertices are the generalized tetradecagonal numbers A195818.
Table of n, a(n) for n=0..39.
a(n) = 24*A000290(n) = 12*A001105(n) = 8*A033428(n) = 6*A016742(n) = 4*A033581(n) = 3*A139098(n) = 2*A135453(n).
Bisection of A195158.
Sequence in context: A057103 A055669 A209432 * A183009 A225790 A042122
Adjacent sequences: A195821 A195822 A195823 * A195825 A195826 A195827
Omar E. Pol, Sep 28 2011