0,1

For n >= 0, let M(n) be the matrix with 1st row = (n n+1) and 2nd row = (n+3 n+5). Then a(n) = det(M(n)). [From Kailasam Viswanathan Iyer (kvi(AT)nitt.edu), Apr 11 2009]

Tanya Khovanova, Recursive Sequences

Robert G. Wilson v, American English names for the numbers from 0 to 100999 without spaces or hyphens.

Sequence in context: A056898 A062160 A022959 this_sequence A068494 A083721 A158459

Adjacent sequences: A023442 A023443 A023444 this_sequence A023446 A023447 A023448

sign

N. J. A. Sloane (njas(AT)research.att.com).