Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Interleaving of A000079 and A000079 without initial terms 1, 2, 4.
Binomial transform is A048696. Second binomial transform is A164298.
Table of n, a(n) for n=1..41.
a(n) = (5+3*(-1)^n)*2^(1/4*(2*n-5+(-1)^n)).
(MAGMA) [ n le 2 select 7*n-6 else 2*Self(n-2): n in [1..41] ];
Equals A112032 without initial term 4.
Cf. A000079 (powers of 2), A048696, A164298.
Sequence in context: A167623 A040063 A196170 * A050096 A161593 A008866
Adjacent sequences: A164584 A164585 A164586 * A164588 A164589 A164590
Klaus Brockhaus, Aug 17 2009