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A157217
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Mix A091411 and its differences.
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0
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1, 2, 3, 6, 9, 10, 19, 28, 47, 51, 98, 122, 220, 221, 441, 444, 885, 886, 1771, 1780, 3551, 3555, 7106, 7173, 14279, 14280, 28559, 28562, 57121, 57122, 114243, 114252, 228495, 228499, 456994, 457018, 914012, 914013, 1828025, 1828028, 3656053, 3656054, 7312107, 7312116
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| First differences: 1, 1, 3, 3, 1, 9, 9, 19, 4, 47, ....
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FORMULA
| a(2n) = A091441(n+1). a(2n-1) = A091441(n+1)-A091441(n).
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CROSSREFS
| Sequence in context: A045588 A191178 A191127 * A058958 A189708 A127590
Adjacent sequences: A157214 A157215 A157216 * A157218 A157219 A157220
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KEYWORD
| nonn,less
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Feb 25 2009
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